Running Race Calendar in Colorado, United States

Wellington STAR Foundation 5K 10K

Wellington, Colorado, United States

19 Sep, 2026 (Sat)

$15.00 - $53.00

Running

5K 10K +2

Gummball 5K

Brighton, Colorado, United States

19 Sep, 2026 (Sat)

$30.00

Running

5K

Fall Equinox

Fort Collins, Colorado, United States

20 Sep, 2026 (Sun) – 03 Oct, 2026

$75.00 - $150.00

Running

Half-Marathon 8K

Pikes Peak Marathon

Manitou Springs, Colorado, United States

20 Sep, 2026 (Sun)

Free - $225.00

Running

Marathon

20th Annual Golden Gallop

Golden, Colorado, United States

20 Sep, 2026 (Sun)

$45.00 - $50.00

Running

5K 10K 20K

Chile & Frijole Hot to Trot 5K & 10K

Pueblo, Colorado, United States

20 Sep, 2026 (Sun)

$35.00 - $40.00

Running

5K 10K

Farmers 5000

Wheat Ridge, Colorado, United States

20 Sep, 2026 (Sun)

$10.00 - $30.00

Running

5K +1

CG Adventure Club - Elevation Everest

Winter Park, Colorado, United States

23 Sep, 2026 (Wed) – 27 Sep, 2026

$150.00 - $400.00

Running

35.4K Ultra

Boggy Draw Bear Chase

Dolores, Colorado, United States

25 Sep, 2026 (Fri)

Running

3K 5K

Run For Your Flapjacks 5K

Oak Creek, Colorado, United States

26 Sep, 2026 (Sat)

$20.00

Running

5K

Runway 5K - Run for the Angels

Broomfield, Colorado, United States

26 Sep, 2026 (Sat) – 03 Oct, 2026

$25.00 - $40.00

Running

5K

Parker Parks and Recreation So Long to Summer 5K/10K

Parker, Colorado, United States

26 Sep, 2026 (Sat)

$40.00 - $50.00

Running

5K 10K