The Greenland Trail race offers four outstanding distances in southern Douglas County. Run the 4 Miler, the 8 Miler, the 25 km or tackle the 50 km ultra marathon, Colorado's fastest 50 km!
How to enter the Greenland Trail Races
- Run 50km
- Run 25km
- Run 8mi
Greenland Trail Races weather forecast
Possible drizzle throughout the day.
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