Greenland Trail Races
50K · 25K · 16 mi · 8 mi · 4 mi · Ultra Marathon
5/2/2026, 12:00:00 AM · Larkspur, Colorado, US
First event listed 2025 · Listed Feb 24, 2016
Run Vibes summary
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Original listingFull description from sourceTap to expand · same text as on RunSignup / the official listing▾
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!
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