Greenland Trail Races
About this race
The Greenland Trail Race offers four outstanding distances in southern Douglas County. Run the 4 Miler, the 8 Miler, the 25K, or tackle the 50K ultramarathon, Colorado’s fastest 50K! With Pikes Peak as your backdrop, you’ll cruise over a soft dirt trail on your way to a new personal best. With chip timing, an innovative technical running shirt in men’s and women’s sizing, food and beer at the finish, this race will make you want to come back for more!
Join fellow runners on May 2, 2026 for the Greenland Trail Races. It's a fantastic Ultra, 25K, 12.9K, 6.4K featuring a flat and fast course in Larkspur.
Pick your distance
Trail running
50K Trail Race
Running
25K Trail Race
8M Trail Race
4M Trail Races
Virtual 50K
Virtual Race
Weather Overview
These values represent the 22-year monthly averages for May in Larkspur.
About Larkspur
Greenland Trail Races takes place in Larkspur, Colorado, United States. The local timezone is America/Denver.
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🏃 Plan Your Next Race in Larkspur
Find upcoming events by distance:
- Larkspur Running Calendar 2026 See all upcoming race dates.
Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.