Greenland Trail Races

Larkspur, United States • 2 May 2026

Event overview

The Greenland Trail Races take place on May 2, 2026 at Greenland Open Space in Larkspur, Colorado (1532 E Noe Rd). The event includes multiple on‑site and virtual distances and is designated as the 2026 RRCA National 50K Championship. All races use chip timing and provide a gender specific technical shirt and a finisher medal; 50K finishers also receive a belt buckle.

Distances

  • 50K
  • 25K
  • 8 Mile
  • 4 Mile

Course and logistics

All courses run on dirt trails within over 3,000 acres of Greenland Open Space and include sections of the Colorado Front Range Trail and the Old Territorial Road. Terrain passes through native grasslands, ponds, rolling Gamble oak hills and ponderosa pine, with views of Pikes Peak and surrounding buttes. The loop reaches a high point at about 7,400 feet. The 50K completes the loop four times and the 25K completes it twice; the 8 Mile and 4 Mile follow shorter variations to the finish. Aid stations are located at about mile 3.5 and 7.5 of each loop and offer water, Gatorade, gels for 25K and 50K starting on the second lap, and salty food items. A portable restroom is located near the southern aid station.

Rules and services

Participants in the 50K must be at least 18 years old. Pacers are allowed only on the final lap of the 50K. Crew access is limited to designated aid station locations; a drop bag area is about 1/4 mile from the finish. Dogs on leash and suitable strollers are permitted on course. A virtual option includes a shirt, medal and bib mailed to participants. Visit the organization's website for the most recent information.

Race information

50 km
50k
25 km
25k
8 mi
8 Mile
4 mi
4 Mile
Visit the organization's website for the most recent information.
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