Upcoming Events

Click here to view the full calendar

Recent Race Results

For a full list of race results, click here.

Colorado Runner Events

Greenland Trail Races
50K, 25K, 8M and 4M
May 2, 2026
Greenland Open Space | Larkspur, CO
2026 RRCA National 50K Championship
Flamingo Day 5K
5K
June 7, 2026
Sloan’s Lake Park | Denver, CO
Cookie Chase
5K
July 11, 2026
Sloan’s Lake Park | Denver, CO
Labor Day Half Marathon
Half Marathon, 10K and 5K
September 7, 2026
Salisbury Park | Parker, CO
Ghosts & Goblins 5K
5K and 10K
October 25, 2026
City Park | Denver, CO
Pumpkin Pie 5K
5K and 10K
November 21, 2026
City Park | Denver, CO
Ugly Sweater 5K
5K
December 20, 2026
Washington Park | Denver, CO
Donut Dash
5K
April 4, 2027
Washington Park | Denver, CO

Views: 10,840,127