Run Rabbit Run 100 Mile
Run Rabbit Run 100 combines a tough high-country loop around Steamboat Springs with separate Hare and Tortoise starts and a six-figure prize purse.
Every link above goes to the race, its timing provider, or an official registration partner. Last checked August 4, 2026.
Quick facts
- The 100-mile field is capped at 450 and sold out well before the 2026 race.
- Tortoises start at 9 a.m. with 36 hours; Hares start at 1 p.m. with 30 hours.
- More than $100,000 in prize money draws a deep competitive field.
About the Run Rabbit Run 100 Mile
This independent Colorado mountain race has grown into a competitive 100-miler while retaining distinct starts for elite Hares and broader-field Tortoises.
Course
The mountain loop uses Routt National Forest trail around Steamboat Springs. Sustained climbs, altitude, technical descent, and a full night out reward conservative early pacing.
Race-day weather
September may deliver warm sun, freezing overnight temperatures, rain, or early snow. High-country exposure makes spare layers important.
Past Run Rabbit Run 100 Mile dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Friday, September 18, 2026 | Upcoming | — |
Run Rabbit Run 100 Mile FAQ
When is the Run Rabbit Run 100 Mile?
The 2026 Run Rabbit Run 100 Mile is on Friday, September 18, 2026.
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