Greenland Trail Races
Saturday, May 1, 2027, first start 7:30 AM, in Larkspur (1532 E Noe Rd). Distances: 4 miles, 8 miles, 25K, 50K. Entry from $35 to $65; the 25K goes from $65 to $70 after January 1.
- Date
- Saturday, May 1, 2027
- Start time
- 7:30 AM (earliest wave)
- Location
- 1532 E Noe Rd, Larkspur, CO 80118
- Area
- Denver Suburbs, Denver & Boulder
- Distances
- 4 miles8 miles25K50K
- Course
- Trail (dirt or single-track on at least part of the course)
- Price
- $35 to $65 plus the platform's processing fee
- Next price increase
- Friday, January 1, 2027: 25K $65 → $70
- Registration
- Open. Opened May 11, online signup closes Saturday, May 1, 2027
How to register
Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details. Sign up by January 1 to pay $65 instead of $70.
Register on RunSignup →Race website
Course and race notes
Escape the asphalt and hit the dirt! Join us at the breathtaking Greenland Open Space in Larkspur for the Greenland Trail Races.
From the race's own listing. Check the race website for the course map and parking.
Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.