Showing 26 events within 150 km in the next 365 days. Page 2 of 2.
Moab’s Red Hot UltraMoab’s Red Hot takes place northwest of Moab, Utah, just west of Arches National Park. Runners enjoy majestic views of the La Sal Mountains to the southeast and breathtaking panoramas of Canyonlands National Park to the west. The race begins with a climb up a jeep road, offering stunning views of Arches National Park. With a mix of jeep trails and singletrack, this event is sure to become one of your favorite winter challenges. A course worthy of the Triple Crown of Moab, runners will be treated to amazing views and impressive rim trails. This may be one of the best trail race courses in Moab, and we can’t wait to share it with you!Check out the race website for:Packet Pickup Times and LocationRace GuideRace MapsAid Station InformationCutoff TimesDriving DirectionsFAQsTravel InformationCancelation Information
Watch the course preview!
Event's current local time: 3:21 AM MT
Come race with us at beautiful Lake Nighthorse in Durango, Colorado. The Swim takes place in this gorgeous lake. The Bike course includes some challenging climbs, while the Run course is rolling on mostly natural dirt/gravel surface with spectacular views of the lake. The Olympic course is two laps of the Sprint course for all disciplines.
World's Best Running Series!
No Time Limits
Great Food
Award-Winning Medals
Loony Running Family!
We RUN this country, TOGETHER!
Event details and schedule
Thanks for running with Mainly Marathons! Take a look at our website for additional details about this series and our other series of races.
Also, join our Facebook group to stay up-to-date with our loony adventures: Main Group and Southwest Series.
If you're interested in some Mainly Merch, check out our online store HERE. We'll offer some items (hats, stickers, magnets, mugs, etc.) in-person at the races, the Mainly Merch store best option for a variety of fun designs and quality merchandise to showcase your loonacy!
If you have any questions, email [email protected]
We RUN this country, TOGETHER!
The Thirsty 13 Half Marathon is one of the best races in Colorado!
The race course: Fast and mostly downhill, with gorgeous scenery. Perfect for runners new to the half marathon distance or looking to set a PR.
The finish line: Ska Brewing, one of the best breweries in Colorado. A crowd of spectators cheers you to the finish.
Your (optional) post-race celebration: The San Juan Brewfest, with over 30 breweries waiting to congratulate you on your run! You can choose to add a ticket when you register.
SIGN UP EARLY to Unlock New Lower Prices!
We are excited to announce that we have reduced our entry fees for Durango Derby by over 30% for all categories and we have made all entries for participants 18 and under completely FREE!
The catch is entry fee pricing will go up by $25 on March 15th at 9:00am and then another $25 price increase on July 31st at 9:00am, so sign up early and save big time on your registration.
Register before July 31st at 9am to get your FREE Durango Derby Tee shirt included with your race entry! Unfortunately, we are unable to offer free tee shirts to the free 18 and under categories unless someone would like to sponsor it, then please reach out.
Full Derby 4-Stage SOLO Categories
Take on the Durango Derby full-course challenge and complete all four timed stages in a single day stage race format with untimed transfers in-between stages. Riders in the full course category will complete Stage 1, Stage 2, Stage 3, and Stage 4, starting and finishing from the Durango Mesa Park.
NEW! 3-Stage SOLO Categories
Want to ride or race in the Derby, but not feeling the queen stage on Animas Mountain? The three stage categories will challenge racers to complete three of the four timed stages in a single day stage race format with untimed transfers in-between stages. Riders in the 3-stage category will complete Stage 1, Stage 2, and Stage 4, starting and finishing from the Durango Mesa Park.
NEW! 2-Stage SOLO Categories
Did you ride or race in the team categories in previous versions of the Derby? Our new two stage categories will challenge racers to complete two of the four timed stages in a single day stage race format with untimed transfers in-between stages. Riders in the 2-stage category will complete Stage 1 and Stage 4, starting and finishing from the Durango Mesa Park.
EVENT UPDATES FOR 2026
NEW 3-stage and 2-stage SOLO categories
Everyone under 18 races FREE!
Newly updated courses incorporating many new miles of Durango singletrack
Separated start waves based on rider feedback
Limited on site camping will be available - check back with us for updates.
Improved rider medical support
Expanded category options
REFUND, DEFERRAL, AND TRANSFER POLICY
TRANSFERS
Entries can be transferred to another rider as long as the category is still open for registration and not sold out.
Transfers can be made directly through the BikeReg platform.
All transfers will incur a $10 transfer fee.
REFUNDS AND DEFERRALS
There are no refunds issued by Durango Derby under ANY circumstances. Deferrals are permitted under the following guidelines:
Up to 30 days out from the start of the event, 80% of your race fee will be deferred.
From 30 - 10 days out from the start of the event, 60% of your race fee will be deferred.
NO deferrals will be issued within 10 days of the start of the event.