Race Calendar in Colorado, United States

Mountain Marmot Trail Run presented by Durango Running Company

Durango, Colorado, United States

26 Sep, 2026 (Sat)

$85.00

Trail running

19.3K

McGinn Memorial Cross Country Challenge

Pagosa Springs, Colorado, United States

26 Sep, 2026 (Sat)

Free

Running

3K 5K

Runway 5K - Run for the Angels

Broomfield, Colorado, United States

26 Sep, 2026 (Sat) – 03 Oct, 2026

$25.00 - $40.00

Running

5K

NIGHT NATION RUN - DENVER

Commerce City, Colorado, United States

26 Sep, 2026 (Sat)

$35.00 - $55.00

Running

5K

Estes Epic

Estes Park, Colorado, United States

26 Sep, 2026 (Sat) – 27 Sep, 2026

$90.00 - $230.00

Mountain biking, Duathlon, Trail running

49.9K Ultra 24.1K

Oktoberfest Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

26 Sep, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

West Line Winder

Buena Vista, Colorado, United States

26 Sep, 2026 (Sat)

$125.00 - $165.00

Trail running

Ultra 30K

Sangre de Cristo Trail Festival

Westcliffe, Colorado, United States

26 Sep, 2026 (Sat) – 27 Sep, 2026

$60.00 - $350.00

Trail running

Ultra 12.9K 27K +2

OUTLAST COLORADO SPRINGS

Colorado Springs, Colorado, United States

26 Sep, 2026 (Sat)

$90.00

Trail running

29K

HRCA Oktoberfest 5K

Littleton, Colorado, United States

26 Sep, 2026 (Sat)

$40.00

Running

5K

2026 Suicide Prevention Color Walk/Run

Center, Colorado, United States

26 Sep, 2026 (Sat)

$25.00

Running

5K

Mesa County Search & Rescue 5K

Fruita, Colorado, United States

26 Sep, 2026 (Sat)

$25.00

Running

5K