Timed Ultras in Colorado
As of October 6, 2026, Crewable lists 6 upcoming timed ultras in Colorado from November 2026 to September 2027. The next is Colorado 24 Hour Run on November 7 in Fort Collins. Registration is open for 1.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
November 2026
3 racesDecember 2026
1 raceSeptember 2027
2 racesQuick answers
What is the next timed ultra in Colorado?
Colorado 24 Hour Run, on Saturday, November 7, 2026, in Fort Collins. Distances: 24 hr, 12 hr, 6 hr.
How many timed ultras in Colorado have open registration?
1 of the 6 list registration as open as of October 6, 2026, including Colorado 24 Hour Run.
What is the busiest month for timed ultras in Colorado?
November 2026, with 3 of the 6. September 2027 follows with 2.
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