Colorado 24 Hour Run
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Event overview
The Colorado 24 Hour Run is scheduled for Oct 31 - Nov 1, 2026 at Colorado Youth Outdoors - Swift Ponds Campus in Fort Collins, Colorado. The event offers 24-hour, 12-hour, and 6-hour race durations on a certified, flat one-mile loop. The site elevation is 4,826 ft and the surface is 100% dirt road. Registration is capped at 300 entrants. The race is U.S.A.T.F. certified (1.0002 mi, ID CO240003MWC) and U.S.A.T.F. sanctioned (ID 155337). Race clocks remain on race time during the mid-race switch from Daylight Saving Time to Standard Time.
Course and support
The course is a fully supported 1-mile loop with a full-service aid station at the start/finish pavilion available every lap. Food and drink options include sports drink, gels, water, salty snacks, fruit, sweets, soda, hot soup and drinks, hot sandwiches, bacon, and burgers, with vegetarian, vegan, and gluten-free alternatives. Richardson Hall lodge is available about 0.2 mi off the loop as a heated indoor space. Multiple portable toilets are located at the main aid area and an additional porto is near the loop midpoint. Runners reverse direction on the loop every six hours.
Entry, rules and fundraising
Fees vary by registration period and separate rates exist for relay teams. Relay teams use one bib and all team members must register and sign waivers. Entries are non-refundable; transfer credits and deferral policies are outlined by the organizer. Major race rules include counting only full laps, returning to the exact spot if leaving the course, and no camping tents in the personal aid area. The host, Colorado Youth Outdoors, is a 501(c)(3) nonprofit; Gnar Runners donates $0.05 per lap completed and awards recognize top fundraisers. Visit the organization's website for the most recent information.
