Run Rabbit Run
Steamboat Springs, United States • 18-19 Sep 2026
Run Rabbit Run 2026 : Steamboat Springs, Colorado
Run Rabbit Run is a trail ultramarathon event held in Steamboat Springs, Colorado on September 18 and 19, 2026. The event offers two main race distances:
- 100 mile ultramarathon
- 50 mile ultramarathon
The 100 mile program includes two starting groups with different time cutoffs; the event lists 30 hour and 36 hour cutoffs for those options. The 50 mile race has a 15 hour cutoff. Entrant fields are limited to 450 for the 100 mile race and 200 for the 50 mile race.
The race began as a 50 mile event in 2007 and added the 100 mile distance in 2012. The 100 mile race features a prize purse reported at $100,000 overall with $20,000 awards for the men’s and women’s first place finishers. Run Rabbit Run is also organized as a charity race; since 2007 the event reports donations totaling over $700,000 to nonprofit organizations, and in 2025 donated over $82,000 to 20 northern Colorado charities.
The event takes place on trails in the mountains of northern Colorado and operates under a special use permit on the Routt National Forest. Volunteer opportunities support event operations and local community giving is an ongoing part of the race. Visit the organization's website for the most recent information.