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Join us August 5, 12, 19 & 26 for a fun series of shorter midweek trail races.
Our goal is to offer a fun, low-key series of races designed to give newer trail runners an opportunity to dip their toes into the trail racing waters, and to offer more experienced trail racers a chance to sharpen their speed on shorter, quicker courses. All races will start at 6:00pm, ranging in distance from 5k to 12k. Results will be tabulated according to chip times, with series points awarded for each race. Top series finishers will earn unique awards.
We'll have a wide selection of vintage Gnar race shirts, and all registrants are welcome to their pick to call their own.
After each race, we will be providing pizza with support from the Fort Collins Running Club and beverages with support from New Belgium Brewing.
Race dates and distance are as follows:
August 5: Flat and Fast Eltuck Valley 5k (250′ elevation gain)
August 12: Into the Hills Eltuck 5k (700′ elevation gain)
August 19: Into the Hills Eltuck 10k (1,700′ elevation gain)
August 26: Flat and Fast Eltuck Valley 12k (500′ elevation gain)
Start: Lory State Park, Eltuck Picnic Area, Fort Collins, Colorado
Distance: 5k - 12k
Dates: August 2026
Time: 6:00pm
Cost:
Thru 6/30: $25 each race or $80 for the series
7/1 & After: $30 each race or $100 for the series
Special pricing of $10/race for Ages 17 & Under. Price change will be automatically applied based on registrant's Date of Birth before final checkout on RunSignup.
All race participants are welcome to a free vintage shirt from previous Gnar races (your choice and as available). Awards will be given out at the end of the series to top points scorers.
We acknowledge and respect those who experience their gender identity in ways outside of the traditional male/female dichotomy, and are trying our best to provide non-binary opportunities in both the registration and results to reflect that. For the purposes of awards, non-binary runners will be eligible in their birth gender pool.
Race dates and distance are as follows. Click the race link to view the course map
Trail Sisters Approved
Transfer Credit & Distance Change Policy
If you are not able to race, we can offer a 75% race transfer credit that can be applied to any future Gnar Runners race (valid for 12 months). We can also directly transfer your entry to another race in the series for the same year, assuming the new race is not sold out. Transfers/Credits can be requested any time up until 72hrs before the start of each race in the series. To request a transfer credit please Contact Us.
Cancellation Policy
With the exception of waitlist transfers, entries are non-refundable and non-transferable. In the event the race is cancelled due to extreme weather, fire, disease or for some other unforeseeable event, we cannot offer refunds or credits.
Rules
Purposeful littering is prohibited and will result in an immediate disqualification.
Stay on the trail. No bushwhacking or short cutting. In case of wet trail conditions, please run through any muddy sections to avoid widening the trail. Yield to pedestrian and horses. Mountain bikers should yield to runners, but please use common sense in all circumstances.
If coming up on a slower runner or regular park user while on trail, please give an early verbal notice that you are approaching and wait for the hiker/runner to step off to the side before passing.
No mechanical aid (poles, traction devices, etc.) unless approved by race staff prior to the race for a specific reason.
Dogs are not allowed on the course with runners.
If you do not have an annual Colorado State Parks Pass or a pass with your vehicle registration, you will need to purchase a day pass ($10) when you enter the park.
Parking will be at the Eltuck Picnic Area until filled, after which we will direct cars to the nearby Spur Road. For those parking on the Spur Road, it will be a short walk to the start.
Bibs will be available for pick up at the race start from 5:00pm. Chips will be pre-attached to your bib. If you are running multiple races in the series, please keep your bib to reuse in your next race(s).
Aid, Etc
These are no frills, basic races. There is no on-course aid.
There are two permanent toilets at the start/finish of each race. Additionally, the Valley 5K goes past park restrooms at the 0.25 and 1.5mi marks; the Hilly 5K & 10K go past a park restroom at the 0.25mi mark, and the Valley 12K goes past park restrooms at 0.25, 3.8, 6.1 & 6.3mi marks.
The Black Squirrel Half Marathon will take place on the wonderful trails of Lory State Park to the northeast of Fort Collins, Colorado.
The half marathon course offers a tour of the outer boundaries of Lory State Park, providing breathtaking views to the south and east of Horsetooth Reservoir, Fort Collins and the Great Plains; and to the West of the awe-inspiring Rocky Mountain swell.
The race covers a variety of terrain, all of which is runnable although technical in places. After a mile of dirt roads, the course ascends a little under four miles and 1,500 feet to the apex at 7,000 feet on Lory’s west ridge. The views are well worth the climb. A bomber descent follows, leaving three and a half miles of beautiful, gently rolling hardpacked singletrack into the finish.
Our aim is to offer a trail running experience that is challenging, yet accessible to all.
Start: Lory State Park, Bellvue, Colorado
Distance: 13.5 miles with ~2,000' of vertical gain/descent.
Min/Max Elevation: 5,400'/7,000'
Average Elevation: 6,100'
Terrain: 12 miles dirt singletrack, 1 mile dirt road
Fauna: Black abert squirrels, black bears, other more colorful animals
Registration Cap: 400
Time Allowance: 5.5 hours
Date: September 12, 2026
Trail Sisters Approved
Registration
Fees for the 2026 Black Squirrel Trail Half Marathon are as follows:
Dec 15 – February 28: $90 + $6.40 fee
March 1 – May 31: $100 + $7.00 fee
June 1 – Sep 4: $110 + $7.40 fee
Packet Pickup: $125
What You Get in Return for Your Registration Fee
A beautiful, challenging and well-marked course on some of the best trails in Fort Collins
Enthusiastic, knowledgeable race and aid station volunteers
Fully stocked aid stations
Free entry to Lory State Park for the day
Generous 5.5 hour cut-off time
Gender specific race T-shirt
Pint glass finisher award and overall and age group awards
Post race pancake breakfast
Waiting List
In the event that the race sells out, we will maintain a waiting list and transfer runners from the waiting list to the race roster should other runners already registered not be able to attend.
Transfer Credit Policy
If you are not able to race, we will be able to offer a race transfer credit that can be applied to any future Gnar Runners race (valid for 12 months). Credit deadlines are as follows:
Until March 31: 100% credit of registration (excluding RunSignup fees).
April 1 - June 30: 75% credit of registration (excluding RunSignup fees).
July 1 - September 3: 50% credit of registration (excluding RunSignup fees).
**In order to receive your credit, you must cancel your registration through the RunSignup registration platform.
To process a credit deferral:
Log in to your RunSignup account
Go to Profile -> Upcoming Races -> Black Squirrel -> Manage Registration
At the bottom of the page, select “Defer Registration” and follow the automated process.
While RunSignup will prompt you to, you DO NOT have to immediately choose which race to apply your credit to. Once you hit "Confirm Deferral" and see the "Your registration has been deferred" message, your credit is in the system and will be valid for one year past the event date.
Cancellation & Refund Policy
Entries are non-refundable. Entries are non-transferable, except for transfers via the wait list. In the event the race is cancelled due to extreme weather, fire, disease or for some other unforeseeable event, we cannot offer refunds or credits.
Course & Aid Stations
Half Marathon Course Map
Black Squirrel Map
Click to download PDF map of course
A map of the Lory trails is available here.
Course GPX File
Course Profile
Black Squirrel Half Marathon Course Profile
Aid Stations
Aid Station Mile Split Total Gain Descent
Timber/Westridge 4.5 4.5 1600 50
Arthur's West 3.8 8.5 50 1600
Arthur's East 2.5 11.0 250 250
Finish 2.5 13.5 20 200
All aid stations will be stocked with water and Gnarly Nutrition Fuel2O sports drink. The Arthur's West Aid Station at mile 8.5 will have additional snacks including fruit and chips.
Time Cut-Offs
Runners have a total of 5.5 hours to complete the course. There are no strict intermediate course cut-offs. If a runner reaches Arthur's West Aid (mile 8.5) past 4.5 hours elapsed, they may be offered a ride to the finish from a race official and/or advised that there will be limited services upon reaching the finish.
Drop Bags
Runners may leave a finish line drop bag at the start/finish. We will have a tarp to set bags out next to the start. Pack your gear to stay dry in case we get any rain.
Drop bags should be clearly labeled with your name and bib number. Please keep your drop bag to a reasonable size (small duffel bag or stuff sack). Please do not leave any valuable items in your drop bags - volunteers are not responsible for lost items. Drop bags will not be transported to any other locations on course.
Course Marking
The course will be well marked with pink flagging and pink pin flags. Important intersections will be supplemented with flour ground markings and directional arrows. On longer stretches of trail without intersections, confidence flagging will be placed approximately every quarter mile. Turns will be marked heavily.
Toilets
There will be ample facilities at the start/finish. In addition, there are park facilities that can be used at the Arthur's Trailhead, which is passed at mile 8.5 and 11.0. There is also a toilet at the Timber Trailhead at mile 1.
Crewing & Spectating
The best viewing points are at the start/finish line and at the Arthur's Trailhead, two miles south of the start at the end of the main park road.
The entire trail system is open to the public if you want to spectate and encourage elsewhere on course; however, crewing and pacing is not allowed outside of designated aid stations and will result in the disqualification of your runner.
Kids Race
We will hold a free one-mile kids race beginning at 10:30a from the race start. Parents are welcome to accompany their children on the course, and we will also have race volunteers available to help chaperone the kids through the course.
Training
Our Lory Summer Trail Series (Tuesdays in August) previews much of the Black Squirrel course. There may also be organized training runs on Saturdays in August for Black Squirrel. See the Fort Collins Trail Runners Facebook Group and our Community Page for more info.
We also offer a basic 9-week training plan leading up to the event.
Detailed Course Directions
The Black Squirrel Trail Half Marathon will start and finish at the Soldier Canyon Picnic Area in Lory State Park to the northwest of Fort Collins, Colorado. Runners will head south on the Lodgepole Drive Spur Road for a little less than a half mile before looping back north on the main Lory Service Road to the Timber Trailhead where they will access the Timber Trail and ascend all the way to the Westridge Trail.
The course takes a right on Westridge, looping around to connect with the Howard Trail (right turn), which runners will take down to the Arthur's Rock Link Trail (hard left) and Arthur's Rock Trail (right) to the Arthur's Rock Trailhead. From the trailhead/aid station, the course will run south on the west side of the South Valley Trail until it turns back north on the east side of the loop at the Horsetooth Mountain Park border. Runners will then pass through the Arthur's Rock Trailhead again to connect with the East Valley Trail which will take them back to the finish.
You will climb ~1,500 feet between mile two and mile six, descend an equal distance over the next two and a half miles and then run on gently rolling terrain for the last 4.5 miles.
Rules
Race rules are designed to provide a safe and fair experience for everyone involved and to help ensure our ability to produce the race again next year. Major rule infractions by racers will result in immediate disqualification of the racer. Please do not argue with or harass our volunteers. Please direct any questions and feedback to us here.
The race will be limited to 5.5 hours and will end at 12:30pm. There are no strict intermediate course cut-offs. If a runner reaches Arthur's West Aid (mile 8.5) past 4.5 hours elapsed, they may be offered a ride to the finish from a race official and/or advised that there will be limited services upon reaching the finish.
Please make sure that your bib number is visible from the front.
If you need to drop out of the race for any reason, you must check out with the nearest aid station or course volunteer.
Purposeful littering is prohibited and will result in an immediate disqualification.
Stay on the trail. No bushwhacking or short cutting. In case of wet trail conditions, please run through any muddy sections to avoid widening the trail. Yield to pedestrian and horses. Mountain bikers should yield to runners, but please use common sense in all circumstances.
Pacers are not allowed. Crewing is allowed at designated aid stations only.
No mechanical aid (poles, traction devices, etc.) unless approved by race staff prior to the race for a specific reason.
All runners should carry a 16oz minimum water bottle or bladder that can be refilled at aid stations. There will be no water cups at aid stations.
Dogs are not allowed on the course with runners.
Schedule
Friday 9/11:
4:00-7:00p: Optional packet pick-up at Altitude Running 2531 S Shields St #2N, Fort Collins, CO 80526
Saturday 9/12:
5:30-6:45a: Race Day Packet Pickup
7:00a: Race Start
8:30a: First Finishers Expected
9:00a: Post-Race Pancake Breakfast & Party Begins
9:30a: Overall Awards. Age Group Awards Offered on a Rolling Basis
10:30a Kids Race
12:30p: Race Cut-Off
Parking & Directions
Parking for runners will be available at the Soldier Canyon Picnic Area in Lory State Park beginning at 5:30 a.m. Priority parking spaces adjacent to the Soldier Canyon start/finish area will be given to carpools of 2 or more runners on a first come-first serve basis.
All other vehicles will be directed to park in the Timber Trailhead lot, on the side of the Lodgepole Drive spur road and, if necessary, further down the main Lory Service Road in the Eltuck Picnic Area. Late arrivals parking at the Eltuck Picnic Area may need to walk up to a mile to the start of the race. Plan to arrive early to give yourself enough time to walk to the start and check in.
The Lodgepole Drive spur road will be restricted to one-way traffic from south to north. Vehicles will enter on the south end of Lodgepole Drive and will fill in the first available space on the right side of the road. Vehicles will exit on the north end of Lodgepole Drive.
We are asking any runners who are able to arrive in a vehicle that already has a state park pass to do so. We WILL provide passes for any that do not. Due to some recent charges, we now have to pay per pass, and appreciate your help keeping costs down. As usual, any other vehicles (crews/spectators) will be required to have a Colorado State Parks Annual Pass or purchase a park entry pass on-site for $9.
Black Squirrel Parking Map
Driving Directions
708 Lodgepole Dr, Bellvue, Colorado 80512
Put on your lederhosen and sneakers as we kick off the annual HRCA Oktoberfest 5K in Town Center on Saturday, September 26, starting at 9:00 a.m.! Celebrate fall with a family-friendly, fun-filled morning — this course is perfect for all ability levels, from first-time 5K participants to seasoned runners, kids, parents with strollers, and even your furry friends.
Keep your eyes peeled — a blue kettlebell will be hidden along the course! Whoever finds it and brings it back to the finish wins $100!
All participants will receive the following:
Race t-shirt
Custom giveaway
Custom race bib
Pancake breakfast from Flippin' Flapjacks
Post-race beer from Living the Dream Brewing
Description
$1,000 cash prize + buckles for 100 milers!Our race takes place just outside beautiful Estes Park Colorado at a private camp. The Backyard Ultra is a form of Ultra Trail race where runners must complete 4.167 miles in less than one hour, every hour, until only one runner remains to complete a lap.This runner is crowned the winner and only finisher, while all others will be marked as DNF. There is no predetermined end length or time - we go until only one remains.....
Course Info
Rocky's Backyard is hosted on trails bordering Rocky Mountain National Park with roughly 500' of vertical gain per yard.
Included
Custom Fractel beanie DNF or finishers awardStocked aid station
Weather
October in Rocky can present all four seasons in a dayAverage weather is 50s in the day, 20s at night and a 10% chance of major snowWe are in the heart of the mountains - come prepared for anything and everything.
Event's current local time: 2:30 AM MT
The Splash Mash Dash Kids Triathlon is perfect for kiddos looking for a way to "TRI" the sport of triathlon or tune up their skills for a larger race. The race will offer kids a safe and fun environment for racing.
To encourage participation and enjoyment for all, The Splash Mash Dash Kids Triathlon is a non-timed event. However, we do have awesome finisher medals that look just like the medals they've seen parents collect over the years! We encourage every child to do their best and practice racing in a supportive environment. We encourage parents to manually time their child if they are interested in a time for their race.
Turkey Day 5K FUN Run/Walk
The tradition continues! Celebrate Thanksgiving Day with family and friends while getting a workout.
Date: Nov. 26, 2026
Time: 8-8:15 a.m., (waves based on pace)
Location: Start and Finish at Parker Recreation Center, 17301 E. Lincoln Ave. Note: some mapping applications may route users to a different location. Please be sure to check the address and name of location to ensure you arrive to the correct event location.
Standard 5K Cost: $38* (plus registration fee)
*Register early, price increases on November 12. Event-day registration is available for an additional fee if space remains.
NEW! Groups of 4 or more who register in the same transaction will receive 10% off race entry.
Part of the Parker Parks and Recreation Run Series, the family-friendly Turkey Day 5K is a laid-back trot that starts and finishes at the Parker Recreation Center. This event is not officially timed. Registrants will receive a FREE commemorative shirt, a Finisher Medal (Must opt-in during registration by Nov 20), a souvenir race bib and hot cocoa, cider or coffee. Event participants can purchase previous year commemorative swag: race socks, scarf, beanie and/or gloves for a fee as add-ons during registration.
Strollers are welcome but because of the size of the event and for safety reasons, please leave dogs, bikes and scooters at home. The event is held rain, snow or shine; Refunds will NOT be issued.
Any proceeds from the event will benefit the Town of Parker Scholarship Program, which helps Parker families and/or individuals with limited financial resources participate in Town Recreation programs and facilities.
Packet Pickup: Monday Nov. 23 to Wednesday Nov. 25 location TBD. Event day, pick up will begin at 7 a.m. at the Parker Recreation Center.
If you've ever experienced fall in the Rocky Mountains you know what a magical time it is. With cool temperatures, sunny days, and stunning scenery, many people believe autumn is the best time to get out and enjoy the high country. And while a drive up through the mountains in the fall can be a nice way to spend a day, we think you should take it one step further. We think you should get out and experience it on foot!
The Flaming Foliage Relay takes the best parts of the old Outward Bound Relay route and throws in some new and scenic challenges. This relay begins in the quaint town of Idaho Springs and traverses 165 miles and three rugged mountain passes before finishing in charming Buena Vista on the banks of the Arkansas River. Along the way you'll run on roads and trails through some of the most amazing scenery Colorado has to offer. Join run.Colorado relays for the Flaming Foliage Relay Friday September 11th through Saturday September 12th, 2026.
This life changing relay road race is a team-oriented adventure with experiences and views you'll never forget. Each team consists of either twelve runners and two vehicles (the vast majority of the teams) or six runners and one vehicle (Ultra teams), or any other amount of runners including a solo unsanctioned race.
How to Register
Team Captains should be the first to sign up:
Submit team payment
Set up a team name and password and share with team members. Note: You can sign up a full team before you have secured commitments from all team members
Select team volunteer option
Once the Team Captain registers, they will share the team name and password with their teammates, so all teammates can register/join their team with no additional registration cost.
Choose your Volunteer Option
Fun Fact: This overnight relay race is made possible by over 130 volunteers on the course. Most volunteers are either friends/family of the race directors, team members running the event OR a local nonprofit raising awareness and funds for their cause or organization. Each team is given two options to help us make this event possible while giving back:
Option 1: Supply Volunteers: 10 person teams will supply two (2) volunteers; Ultra teams and High School teams will supply one (1) volunteer to staff the runner exchanges.
Option 2: Teams can choose to make a tax-deductible donation to Windsor Gives, 501(c)3 non-profit to support with providing volunteers for the relay.
10 Person Team Volunteer Fee: $300
Ultra Team Volunteer Fee: $200
High School Team Volunteer Fee: $100
**The Team Captain is the only one who chooses the teams volunteer option during the registration process and who pays the registration fees. Additional team members should have no fees at the end of their registration/joining the appropriate team.
Rumble at the Ranch is a 6 hour mountain bike relay for teams of two or three riders as well as solo racers. The race takes place on the amazing Highlands Ranch Backcountry singletrack and double-track trail system. Teams will see how many laps of the 7.6 mile loop they can complete in 6 hours.
The Highlands Ranch Mountain Bike (MTB) Series takes place on four Wednesdays throughout May-August. Each Wednesday night features a different route. All four races take place in our beautiful and pristine Backcountry Wilderness Area, with the first three taking place on our Highlands Point Trail System and the fourth on our Wildcat Mountain Trail System.
Mountain bike racers of all abilities are welcome! All categories are for men and women.
Two, approximately 5.5-mile loops running clockwise for a total course length of approximately 11 miles. Total ascent of 784 feet and a maximum elevation of 6,305 feet.
Course map: https://www.strava.com/routes/17155883
5:00 pm - Juniors 10-14 race 1 lap course
6:00 pm - all other race classes race 2 lap course
Join us August 5, 12, 19 & 26 for a fun series of shorter midweek trail races.
Our goal is to offer a fun, low-key series of races designed to give newer trail runners an opportunity to dip their toes into the trail racing waters, and to offer more experienced trail racers a chance to sharpen their speed on shorter, quicker courses. All races will start at 6:00pm, ranging in distance from 5k to 12k. Results will be tabulated according to chip times, with series points awarded for each race. Top series finishers will earn unique awards.
We'll have a wide selection of vintage Gnar race shirts, and all registrants are welcome to their pick to call their own.
After each race, we will be providing pizza with support from the Fort Collins Running Club and beverages with support from New Belgium Brewing.
Race dates and distance are as follows:
August 5: Flat and Fast Eltuck Valley 5k (250′ elevation gain)
August 12: Into the Hills Eltuck 5k (700′ elevation gain)
August 19: Into the Hills Eltuck 10k (1,700′ elevation gain)
August 26: Flat and Fast Eltuck Valley 12k (500′ elevation gain)
Start: Lory State Park, Eltuck Picnic Area, Fort Collins, Colorado
Distance: 5k - 12k
Dates: August 2026
Time: 6:00pm
Cost:
Thru 6/30: $25 each race or $80 for the series
7/1 & After: $30 each race or $100 for the series
Special pricing of $10/race for Ages 17 & Under. Price change will be automatically applied based on registrant's Date of Birth before final checkout on RunSignup.
All race participants are welcome to a free vintage shirt from previous Gnar races (your choice and as available). Awards will be given out at the end of the series to top points scorers.
We acknowledge and respect those who experience their gender identity in ways outside of the traditional male/female dichotomy, and are trying our best to provide non-binary opportunities in both the registration and results to reflect that. For the purposes of awards, non-binary runners will be eligible in their birth gender pool.
Race dates and distance are as follows. Click the race link to view the course map
Trail Sisters Approved
Transfer Credit & Distance Change Policy
If you are not able to race, we can offer a 75% race transfer credit that can be applied to any future Gnar Runners race (valid for 12 months). We can also directly transfer your entry to another race in the series for the same year, assuming the new race is not sold out. Transfers/Credits can be requested any time up until 72hrs before the start of each race in the series. To request a transfer credit please Contact Us.
Cancellation Policy
With the exception of waitlist transfers, entries are non-refundable and non-transferable. In the event the race is cancelled due to extreme weather, fire, disease or for some other unforeseeable event, we cannot offer refunds or credits.
Rules
Purposeful littering is prohibited and will result in an immediate disqualification.
Stay on the trail. No bushwhacking or short cutting. In case of wet trail conditions, please run through any muddy sections to avoid widening the trail. Yield to pedestrian and horses. Mountain bikers should yield to runners, but please use common sense in all circumstances.
If coming up on a slower runner or regular park user while on trail, please give an early verbal notice that you are approaching and wait for the hiker/runner to step off to the side before passing.
No mechanical aid (poles, traction devices, etc.) unless approved by race staff prior to the race for a specific reason.
Dogs are not allowed on the course with runners.
If you do not have an annual Colorado State Parks Pass or a pass with your vehicle registration, you will need to purchase a day pass ($10) when you enter the park.
Parking will be at the Eltuck Picnic Area until filled, after which we will direct cars to the nearby Spur Road. For those parking on the Spur Road, it will be a short walk to the start.
Bibs will be available for pick up at the race start from 5:00pm. Chips will be pre-attached to your bib. If you are running multiple races in the series, please keep your bib to reuse in your next race(s).
Aid, Etc
These are no frills, basic races. There is no on-course aid.
There are two permanent toilets at the start/finish of each race. Additionally, the Valley 5K goes past park restrooms at the 0.25 and 1.5mi marks; the Hilly 5K & 10K go past a park restroom at the 0.25mi mark, and the Valley 12K goes past park restrooms at 0.25, 3.8, 6.1 & 6.3mi marks.
Join us August 5, 12, 19 & 26 for a fun series of shorter midweek trail races.
Our goal is to offer a fun, low-key series of races designed to give newer trail runners an opportunity to dip their toes into the trail racing waters, and to offer more experienced trail racers a chance to sharpen their speed on shorter, quicker courses. All races will start at 6:00pm, ranging in distance from 5k to 12k. Results will be tabulated according to chip times, with series points awarded for each race. Top series finishers will earn unique awards.
We'll have a wide selection of vintage Gnar race shirts, and all registrants are welcome to their pick to call their own.
After each race, we will be providing pizza with support from the Fort Collins Running Club and beverages with support from New Belgium Brewing.
Race dates and distance are as follows:
August 5: Flat and Fast Eltuck Valley 5k (250′ elevation gain)
August 12: Into the Hills Eltuck 5k (700′ elevation gain)
August 19: Into the Hills Eltuck 10k (1,700′ elevation gain)
August 26: Flat and Fast Eltuck Valley 12k (500′ elevation gain)
Start: Lory State Park, Eltuck Picnic Area, Fort Collins, Colorado
Distance: 5k - 12k
Dates: August 2026
Time: 6:00pm
Cost:
Thru 6/30: $25 each race or $80 for the series
7/1 & After: $30 each race or $100 for the series
Special pricing of $10/race for Ages 17 & Under. Price change will be automatically applied based on registrant's Date of Birth before final checkout on RunSignup.
All race participants are welcome to a free vintage shirt from previous Gnar races (your choice and as available). Awards will be given out at the end of the series to top points scorers.
We acknowledge and respect those who experience their gender identity in ways outside of the traditional male/female dichotomy, and are trying our best to provide non-binary opportunities in both the registration and results to reflect that. For the purposes of awards, non-binary runners will be eligible in their birth gender pool.
Race dates and distance are as follows. Click the race link to view the course map
Trail Sisters Approved
Transfer Credit & Distance Change Policy
If you are not able to race, we can offer a 75% race transfer credit that can be applied to any future Gnar Runners race (valid for 12 months). We can also directly transfer your entry to another race in the series for the same year, assuming the new race is not sold out. Transfers/Credits can be requested any time up until 72hrs before the start of each race in the series. To request a transfer credit please Contact Us.
Cancellation Policy
With the exception of waitlist transfers, entries are non-refundable and non-transferable. In the event the race is cancelled due to extreme weather, fire, disease or for some other unforeseeable event, we cannot offer refunds or credits.
Rules
Purposeful littering is prohibited and will result in an immediate disqualification.
Stay on the trail. No bushwhacking or short cutting. In case of wet trail conditions, please run through any muddy sections to avoid widening the trail. Yield to pedestrian and horses. Mountain bikers should yield to runners, but please use common sense in all circumstances.
If coming up on a slower runner or regular park user while on trail, please give an early verbal notice that you are approaching and wait for the hiker/runner to step off to the side before passing.
No mechanical aid (poles, traction devices, etc.) unless approved by race staff prior to the race for a specific reason.
Dogs are not allowed on the course with runners.
If you do not have an annual Colorado State Parks Pass or a pass with your vehicle registration, you will need to purchase a day pass ($10) when you enter the park.
Parking will be at the Eltuck Picnic Area until filled, after which we will direct cars to the nearby Spur Road. For those parking on the Spur Road, it will be a short walk to the start.
Bibs will be available for pick up at the race start from 5:00pm. Chips will be pre-attached to your bib. If you are running multiple races in the series, please keep your bib to reuse in your next race(s).
Aid, Etc
These are no frills, basic races. There is no on-course aid.
There are two permanent toilets at the start/finish of each race. Additionally, the Valley 5K goes past park restrooms at the 0.25 and 1.5mi marks; the Hilly 5K & 10K go past a park restroom at the 0.25mi mark, and the Valley 12K goes past park restrooms at 0.25, 3.8, 6.1 & 6.3mi marks.
Join us August 5, 12, 19 & 26 for a fun series of shorter midweek trail races. This fourth race of the series will take place on the fast and flat Valley Trail at Lory State Park.
Our goal is to offer a fun, low-key series of races designed to give newer trail runners an opportunity to dip their toes into the trail racing waters, and to offer more experienced trail racers a chance to sharpen their speed on shorter, quicker courses. All races will start at 6:00pm, ranging in distance from 5k to 12k. Results will be tabulated according to chip times, with series points awarded for each race. Top series finishers will earn unique awards.
We'll have a wide selection of vintage Gnar race shirts, and all registrants are welcome to their pick to call their own.
After each race, we will be providing pizza with support from the Fort Collins Running Club and beverages with support from New Belgium Brewing.
Race dates and distance are as follows:
August 5: Flat and Fast Eltuck Valley 5k (250′ elevation gain)
August 12: Into the Hills Eltuck 5k (700′ elevation gain)
August 19: Into the Hills Eltuck 10k (1,700′ elevation gain)
August 26: Flat and Fast Eltuck Valley 12k (500′ elevation gain)
Start: Lory State Park, Eltuck Picnic Area, Fort Collins, Colorado
Distance: 5k - 12k
Dates: August 2026
Time: 6:00pm
Cost:
Thru 6/30: $25 each race or $80 for the series
7/1 & After: $30 each race or $100 for the series
Special pricing of $10/race for Ages 17 & Under. Price change will be automatically applied based on registrant's Date of Birth before final checkout on RunSignup.
All race participants are welcome to a free vintage shirt from previous Gnar races (your choice and as available). Awards will be given out at the end of the series to top points scorers.
We acknowledge and respect those who experience their gender identity in ways outside of the traditional male/female dichotomy, and are trying our best to provide non-binary opportunities in both the registration and results to reflect that. For the purposes of awards, non-binary runners will be eligible in their birth gender pool.
Race dates and distance are as follows. Click the race link to view the course map
Trail Sisters Approved
Transfer Credit & Distance Change Policy
If you are not able to race, we can offer a 75% race transfer credit that can be applied to any future Gnar Runners race (valid for 12 months). We can also directly transfer your entry to another race in the series for the same year, assuming the new race is not sold out. Transfers/Credits can be requested any time up until 72hrs before the start of each race in the series. To request a transfer credit please Contact Us.
Cancellation Policy
With the exception of waitlist transfers, entries are non-refundable and non-transferable. In the event the race is cancelled due to extreme weather, fire, disease or for some other unforeseeable event, we cannot offer refunds or credits.
Rules
Purposeful littering is prohibited and will result in an immediate disqualification.
Stay on the trail. No bushwhacking or short cutting. In case of wet trail conditions, please run through any muddy sections to avoid widening the trail. Yield to pedestrian and horses. Mountain bikers should yield to runners, but please use common sense in all circumstances.
If coming up on a slower runner or regular park user while on trail, please give an early verbal notice that you are approaching and wait for the hiker/runner to step off to the side before passing.
No mechanical aid (poles, traction devices, etc.) unless approved by race staff prior to the race for a specific reason.
Dogs are not allowed on the course with runners.
If you do not have an annual Colorado State Parks Pass or a pass with your vehicle registration, you will need to purchase a day pass ($10) when you enter the park.
Parking will be at the Eltuck Picnic Area until filled, after which we will direct cars to the nearby Spur Road. For those parking on the Spur Road, it will be a short walk to the start.
Bibs will be available for pick up at the race start from 5:00pm. Chips will be pre-attached to your bib. If you are running multiple races in the series, please keep your bib to reuse in your next race(s).
Aid, Etc
These are no frills, basic races. There is no on-course aid.
There are two permanent toilets at the start/finish of each race. Additionally, the Valley 5K goes past park restrooms at the 0.25 and 1.5mi marks; the Hilly 5K & 10K go past a park restroom at the 0.25mi mark, and the Valley 12K goes past park restrooms at 0.25, 3.8, 6.1 & 6.3mi marks.
With the Fall Season, Estes Park shines in colors and wilderness experiences! Herds of Elk begin to roam the meadows and open fields; while sounds of bugling Bull Elk call out their territory. Join us as we acknowledge this unique season at the RUT RUN 5K as part of ‘ELK FEST’. Kick starting the weekend of events, the 5K (3.1 miles) race offers a short and scenic tour of fall colors, river views, and possible Elk encounters (from a safe distance).
Our fabulously scenic, downhill course that starts from Fish Hatchery Road on the Fall River Trail and finishes at downtown’s Performance Park continues!
Runners, joggers, walkers, and strollers will be transported from the Estes Park Visitor Center by the “Hiker Shuttle” to the Start area on Fish Hatchery Road. Following the winding and scenic path, you will enjoy the radiant golden Aspen colors, hear Fall River and pass by the historic Elkhorn Lodge. This run will quickly ignite your senses and appreciation for nature and its splendor. After the run, participants can purchase various delicious foods from nearby restaurant BIG HORN CAFE, several restaurants along Elkhorn Ave or Food Trucks at Elk Fest in Bond Park. All runners receive a complimentary beer token for the Elk Fest festivities!
So Long to Summer 5K/10K
Enjoy the end of another Colorado summer with an outdoor workout with family and friends, then reward yourself at the finish with a delicious pancake breakfast and post-race beer!
Date: Sept. 26, 2026
Time: 10K: 8 a.m. 5K: 8:05 a.m.
Location: Salisbury Equestrian Park and Sports Complex, 11920 Motsenbocker Rd. Parker CO
10K Event Fee: Starts at $50* (plus processing fee)
5K Event Fee: Starts at $40* (plus processing fee)
*Register early, prices increase on Sep 12. Event-day registration is available for an additional fee if space remains.
Part of the Parker Parks and Recreation Run Series, this event is professionally timed. Registered participants will receive a race shirt, custom race bib, a post-race pancake breakfast from Flippin' Flapjacks and a post race beer (ages 21+). Commemorative Finisher Medals are available for purchase as an add-on during registration and must be ordered by September 18. Additional breakfast plates for friends and family NOT registered for the race can be purchased during online registration only. You must register by Sept. 1 to guarantee event shirt/size, if extra shirts remain exchanges may be available during post-race packet pick up.
This event is held rain, snow or shine and NO REFUNDS will be issued. Any proceeds from the event will benefit the Town of Parker Scholarship Program, which helps Parker families and/or individuals with limited financial resources participate in Town Recreation programs and facilities.
Packet Pickup: Friday Sep 25, from 3-7pm location TBD. Event day pick up will begin at 7 a.m. at Salisbury Park
Celebrate the last blast of summer at the Labor Day Half Marathon. Sweat your socks off and let summer have its last hooray at Parker’s Salisbury Park, just a few miles southeast of Denver. There’s a distance to meet every taste with a half marathon, 10K and 5K. The race travels along the scenic banks of the Cherry Creek. This flat and fast course just might propel you to a new personal record! And if you’re in it just for the fun, well, we totally catch your drift. Runners and walkers of all abilities are welcome.
The Wildcat Mountain Trail Races showcase some of the most scenic terrain in the HRCA Backcountry Wilderness Area, giving runners a true taste of the rolling hills, open views, and natural beauty surrounding Wildcat Mountain. Each fall, participants take on two distances—a 10-mile and a 10K—designed to highlight the area’s unique, beautiful trails.
The race begins at the Douglas County East/West Trailhead at Rocky Heights Middle School and follows the E/W Trail into the Backcountry, linking directly into the Wildcat Mountain trails.
Adult registration includes:
Dry-fit race t-shirt
Custom race bib
Custom finisher medal
Pancake breakfast from Flippin' Flapjacks
Post-race beers compliments of Living the Dream Brewing
Kids’ Races
Race day will end with a series of untimed, just-for-fun kids’ races, giving young runners an easy and exciting way to be part of race day. Our goal is to create a safe, welcoming introduction to trail running, and these short races offer the perfect opportunity for kids ages 0–12 to get involved. Registration is only $10, and every participant receives a finisher medal.
Distances vary by age to ensure a fun and manageable experience for all: Ages 2–4 run approximately 0.25 miles, Ages 5–7 run about 0.62 miles, Ages 8–10 take on roughly 1 mile, and Ages 11–12 complete a 2-mile course.
Kids' registration includes:
Custom race bib
Custom finisher medal
The 18th Annual Backcountry Wilderness Half Marathon returns to Highlands Ranch on Saturday, November 7, 2026, at 9:00 a.m. This 13.1-mile race winds through the Douglas County East/West Trail and the scenic Highlands Ranch Backcountry Wilderness Area—offering singletrack, hills, and breathtaking views at every turn.
Cash prizes will be awarded to the top three male, female, and non-binary finishers:
1st – $600 | 2nd – $400 | 3rd – $200
Whether you're chasing a personal best or taking on the trails for the first time, this race delivers a rewarding test of endurance and Colorado beauty.
All participants will receive the following:
Long sleeve technical race shirt
Custom race bib
Custom finisher medal
Pancake breakfast from Flippin' Flapjacks
Post-race beers compliments of Living the Dream Brewing
Description
Devil on the Divide 50K and 22KSaturday, September 12, 2026Empire, ColoradoWe are pleased to present one of the most beautiful and challenging trail races in the state of Colorado with breathtaking (literally and figuratively) views of Clear Creek County and the Continental Divide. Participants will reach a top altitude over 13,000 feet with over 6,500 feet of climbing for the 50K course and 3,400 feet of elevation gain for the 22K. 100% of the point-to-point courses are dirt, with the majority of each course being single track trail. Due to the difficulty and remoteness of this race, prior ultra running experience is REQUIRED for 50K participants and trail running experience at high altitude is highly recommended for 22K participants. These courses are absolutely stunning and equally challenging.Cut-off times are enforced for both options.Please register for the distance you intend to run. Finish times will not be given to those participants that register for the 50K and drop at Herman Gulch (the 22K finish)Refund and Cancellation PolicyRace Entries are non-refundable and non-transferable. Exceptions will be made for active duty military deployments, women becoming pregnant after registration and new child additions (birth or adoption by runner or partner) with appropriate notice.The race director reserves the right to postpone, delay, shorten or even cancel the event due to unforeseeable circumstances that put the participants or volunteers as risk such as severe weather, forest fires, etc. There will be no refunds in the event of race modification or cancellation Running ExperienceDue to the difficulty and remoteness of this race, prior ultra running experience is REQUIRED for 50K participants and trail running experience at high altitude is highly recommended for 22K participants. These courses are absolutely stunning and equally challenging. For those registering for the 50K, previous results will be checked and if results are not listed in ultrasignup, please be prepared to show racing history. We do make exceptions to this rule, but please email ([email protected]) and get approval before registering.
Event's current local time: 2:25 AM MT
Miles 4 Madison is a 5K/1K Fun Run supported by Sterling Ranch CAB. Miles 4 Madison's goal is to provide educational and recreational opportunities for families with children with different abilities. The Race is for all capabilities, strollers, and pet-friendly! Race registrations done after 9/10 won't be guaranteed the selected shirt size.
After the success of previous years races, Miles for Madison provided scholarships for several Douglas County children to attend the week-long summer camp at Easter Seals Rocky Mountain Village as well as attend hippotherapy in Douglas County. We have been able to donate playground equipment to local schools and have hosted multiple sensory-friendly events in Sterling Ranch, including Sensory swim and, most recently, a sensory-friendly egg hunt. Miles for Madison is also working to build inclusive parks in the Chatfield Basin.
The race will take place at Providence Park, located within the Sterling Ranch Community. The race address is 8100 Piney River Avenue, Littleton, CO 80125.
Prizes will be awarded to the top 3 finishers in the 5 K, male and female.
To Volunteer, please click the tab at the top of the page.
5K Route
Packet Pick Up
More Information will be available after registration opens.
CG Adventure Trip – Mountain Experience
This event is a guided CG adventure weekend designed to combine structured training, accountability, community, and an elevated mountain experience. Participants can choose from three registration options based on how much support, logistics, and included amenities they prefer.
All registration tiers include CG leadership, communication, and on-site support.
All-In Adventure Package – $400
This option includes full logistical support, meals, swag, and training guidance. Participants selecting this package can focus entirely on the experience.
Includes:
Gondola ticket (Thursday)
Lunch at Sunspot
Catered group dinner
Group yoga session
Full CG swag package (shirt, sweatshirt, beanie, water bottle)
Structured training plan
Accountability leading into the event
Ongoing communication and logistical coordination
Race preparation guidance, including pacing, fueling, and mindset
On-site CG leadership throughout the event
Basic Experience Package – $250
This option is designed for athletes who want coaching, structure, and event support without included meals or full swag.
Includes:
Structured training plan
Accountability and communication leading into the event
Race preparation guidance (pacing, fueling, mindset)
Group yoga session
Full CG swag package (shirt, sweatshirt, beanie, water bottle)
On-site CG leadership and support
Thursday dinner included
Starter Adventure Package – $150
This option is for athletes who prefer to handle their own logistics but still want access to training guidance and group support.
Includes:
Training plan
Group communication access
Accountability and check-ins
Race weekend guidance and on-site support
Full CG swag package (shirt, sweatshirt, beanie, water bottle)