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  • Greenland Trail Races [bit.ly] [Register at runsignup.com]

    Sat, May 02, 2026 at 7:00 AM

    Description

    The Greenland Trail Race offers four outstanding distances in southern Douglas County. Run the 4 Miler, the 8 Miler, the 25K, or tackle the 50K ultramarathon, Colorado’s fastest 50K! With Pikes Peak...

    The Greenland Trail Race offers four outstanding distances in southern Douglas County. Run the 4 Miler, the 8 Miler, the 25K, or tackle the 50K ultramarathon, Colorado’s fastest 50K! With Pikes Peak as your backdrop, you’ll cruise over a soft dirt trail on your way to a new personal best. With chip timing, an innovative technical running shirt in men’s and women’s sizing, food and beer at the finish, this race will make you want to come back for more!
    21 km from Castle Rock
    1532 E Noe Rd, Douglas County, Colorado, 80118, United States
    OpenStreetMap Google Maps

    4 Miles 8 Miles 25k 50k Run Trail Ultra

  • Parker Parks and Recreation Miles over the Meadow Mother’s Day 5K & Family Fun Trek [runsignup.com]

    Sat, May 09, 2026 at 8:00 AM

    Description

    Miles Over the Meadow Mother’s Day 5K & Family Fun Trek

    Date: May 9, 2026

    Time: 5K: 8 a.m.

    Location: Tallman Meadow Park

    5K Event Fee: Starts at $40* (plus processing fee)

    Family Fun Trek Event Fee:...

    Miles Over the Meadow Mother’s Day 5K & Family Fun Trek

    Date: May 9, 2026

    Time: 5K: 8 a.m.

    Location: Tallman Meadow Park

    5K Event Fee: Starts at $40* (plus processing fee)

    Family Fun Trek Event Fee: Starts at $36* (plus processing fee), price includes up to 4 participants. There is a $9 fee for each additional participant up to 7. This event does not include Commemorative Item (may purchase at registration).

    *Price increases on April 25, and on event-day, if space remains and event does not sell out.

    NEW! Groups of 4 or more who register for the 5K in the same transaction will receive 10% off their race entry (Please email race for discount code).

    This Mother’s Day, lace up your running shoes and celebrate Mom… or anyone who deserves a little extra love! Join Parker Parks and Recreation with RNK Running & Walking at the Miles Over the Meadow 5K. Set against the scenic backdrop of Tallman Meadow Park, this 3.1-mile run/walk is the perfect way to start a meaningful, memory-making weekend. This event is all about fresh air, community spirit, and celebrating the ones who keep us moving.

    Not quite ready for a 5K? Bring the whole crew out for the Family Fun Trek, a one-mile walk designed for all ages, complete with a duck hunt adventure along the route to keep little ones smiling from start to finish.

    Registered 5K participants will receive a commemorative Meadow multi-pocket crossbody bag (register by April 30 to guarantee item). Both 5K and Family Fun Trek registrations include a delicious breakfast, a custom race bib, and post-race beer (21+). Commemorative Finisher Medals are available for purchase as an add-on during registration and must be ordered by May 1.

    The overall male/female finishers, as well as the top three male/female finishers in each of the following divisions of the 5K will be awarded: 12 and under, 13-19, 20-29, 30-39, 40-49, 50-59, 60-69 and 70+.

    This event is held rain, snow or shine. 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 May 8 from 3pm to 7pm, location TBD. Event-day packet pickup will open at 7 a.m. at Tallman Meadow Park
    20 km from Castle Rock
    12335 Canterberry Parkway, Parker, Colorado, 80138, United States
    OpenStreetMap Google Maps

    1 Miles 3.1 Miles 5k Run Walk

  • HRCA Mother's Day 5K [runsignup.com]

    Sat, May 09, 2026 at 9:00 AM

    Description

    Join the festivities at our HRCA Mother’s Day 5K at Cresthill Middle School in Highlands Ranch on Saturday, May 9, 2026, starting at 9:00 a.m.! Celebrate the moms in your life with a family-friendly...

    Join the festivities at our HRCA Mother’s Day 5K at Cresthill Middle School in Highlands Ranch on Saturday, May 9, 2026, starting at 9:00 a.m.! Celebrate the moms in your life with a family-friendly morning of fresh air, fun, and community spirit. This welcoming course is perfect for everyone—first-time runners, seasoned athletes, kids, and parents with strollers. Bring your loved ones, lace up your shoes, and enjoy a meaningful start to your Mother’s Day weekend!

    Keep your eyes peeled — a kettlebell will be hidden along the course! 💐 Be the first to find it and return it to the finish line, and you’ll win $100!

    All participants will receive the following:

    • Race t-shirt

    • Custom giveaway

    • Custom race bib

    • Pancake breakfast from Flippin' Flapjacks
    19.3 km from Castle Rock
    9195 Cresthill Ln, Douglas County, Colorado, 80126, United States
    OpenStreetMap Google Maps

    3.1 Miles 5k Run

  • HRCA Highlands Point Circuit [runsignup.com]

    Wed, May 20, 2026 at 5:00 PM

    Description

    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...

    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.

    The Highlands Point Circuit consists of two five-mile loops running clockwise for a total length of approximately 10 miles. Total ascent of 766 feet and a max elevation of 6,299 feet.

    Course map: https://www.strava.com/routes/17154969

    5:00 pm - Juniors 10-14 race 1 lap course

    6:00 pm - all other race classes race 2 lap course
    17.9 km from Castle Rock
    2674 Pemberly Ave, Douglas County, Colorado, 80126, United States
    OpenStreetMap Google Maps

    Mountain Biking Run Trail

  • Mile High Rescue Sixth annual 5K! Running for Rescues! It's 2026 Zodiac Year of the Fire Horse! [milehighrescue.org] [Register at runsignup.com]

    Sun, May 31, 2026 at 8:00 AM

    Description

    🐎 Celebrate the Zodiac Year of the Fire Horse!

    The Year of the Fire Horse symbolizes movement, intensity, and bold energy—the perfect inspiration to get moving at the Mile High Rescue Sixth Annual...

    🐎 Celebrate the Zodiac Year of the Fire Horse!

    The Year of the Fire Horse symbolizes movement, intensity, and bold energy—the perfect inspiration to get moving at the Mile High Rescue Sixth Annual 5K! Bring the whole family to run, walk, or trot alongside our beautiful rescue horses and friendly farm animals. Whether you're a seasoned runner or just looking for a fun morning, your participation helps us provide a second chance for horses in need.

    🗓️ Event Schedule & Location

    Date: May 31, 2026

    Time: 8:00 a.m. – 12:00 p.m. (Start in waves at your own pace!)

    Location: Mile High Rescue, 6351 S. Peoria Street, Englewood, CO

    🏃 Registration Includes:

    Official Event T-Shirt

    5K or 1-Mile Course Map

    Interactive tracking & results via the RaceJoy® App

    Free Entry to the Summer Kick-Off Party!

    Prizes for the top male and female 5K finishers.

    💰 Registration Fees

    Adults (19+): $35

    Youth (11–18): $25

    Kids (10 & under): FREE!

    Group Discount: Grab your "Howdy Partners!" Groups of 4+ are just $100 total ($25/person for additional members). Wear your best themed cowboy gear!

    Virtual Option: Join us from anywhere via the RaceJoy® app.

    🥳 Summer Kick-Off Party (Free for Runners!)

    Stay after the race for a celebration featuring:

    Hobby Horse Races & Lawn Games

    Horse Grooming Demonstrations

    Face Painting & Live Music

    Kona Ice (10 AM - 12 PM) & Local Food Trucks

    Pony Rides: Available for a $15 add-on (purchase during checkout or on-site).

    Not running? Party-only tickets are $15 for kids / $5 for adults (Ages 4 & under are free).

    ❤️ Why We Run

    Every stride you take supports the Mile High Rescue mission. We are a 501(c)(3) non-profit dedicated to rescuing horses from neglect, providing rehabilitation, and finding them loving, permanent homes.
    22.4 km from Castle Rock
    6351 South Peoria Street, Englewood, Colorado, 80111, United States
    OpenStreetMap Google Maps

    1 Miles 5k Run Virtual Walk

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