Greenland Trail Races
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Greenland Trail Races - Larkspur, Colorado
The Greenland Trail Races take place on May 1, 2027, at Greenland Open Space in Larkspur, Colorado. The event offers multiple looped trail distances on dirt and double-track trails within over 3,000 acres of open space that form part of the Colorado Front Range Trail.
Distances:
- 50K
- 25K
- 8 Mile
- 4 Mile
The course follows the Old Territorial Road and connects with the Kipps Loop and Greenland Trail. Terrain includes native grasslands, ponds, rolling Gamble oak hills and ponderosa pine forest, with a high point near 7,400 feet. The 50K consists of four loops of the main circuit; the 25K covers two loops. The 8 Mile and 4 Mile routes finish at the shelter area; the 4 Mile course is approximately 4.25 miles.
Aid stations are located at about mile 3.5 and 7.5 of each loop; the 4 Mile has no aid stations. Aid stations provide water and Gatorade; gels and salty snacks are available for 25K and 50K runners starting on the second lap. A portable restroom is placed near the southern aid station. Pacers are allowed on the final lap of the 50K only. Crew access is limited to designated aid station locations; a drop-bag area is located near the north aid station. Visit the organization's website for the most recent information.
