Colorado 24 Hour Run
Windsor, United States • 1-2 Nov 2025
Event overview
The Colorado 24 Hour Run offers timed individual and relay events that run across a one-day and overnight format. The course is a fully supported, flat, one-mile dirt loop.
- 24 Hour individual event
- 12 Hour individual event
- 6 Hour individual event
- 24 Hour Relay
- 12 Hour Relay
- 6 Hour Relay
When and where
The event takes place Saturday, November 1 to Sunday, November 2, 2025, in Fort Collins, Colorado. The venue address is 4927 E. County Road 36, Fort Collins, CO 80528. Total event participants listed: 82, with the following breakdown: 24 Hour 38, 12 Hour 15, 6 Hour 8, 24 Hour Relay 16, 12 Hour Relay 5, 6 Hour Relay 0. The race description notes opportunities to measure distance over 6, 12, or 24 hours and to attempt standard distances such as a marathon or 50K on the loop. Visit the organization's website for the most recent information.