Running Race Calendar in Colorado, United States

Fca All-Abilities Labor Day 5K

Loveland, Colorado, United States

07 Sep, 2026 (Mon)

$65.00

Running

5K

Oak Creek No Fun Run

Oak Creek, Colorado, United States

07 Sep, 2026 (Mon)

$25.00

Running

5K

Labor Day Half Marathon

Parker, Colorado, United States

07 Sep, 2026 (Mon)

$33.00 - $75.00

Running

Half-Marathon 10K 5K

14th Annual Superhero Event

Greeley, Colorado, United States

10 Sep, 2026 (Thu) – 27 Sep, 2026

Free - $40.00

Running

10K 5K 1.6K Kid's Fun Run (Ages 6 & Under) +5

Spirit of the Valley 5k

Grand Junction, Colorado, United States

12 Sep, 2026 (Sat)

$10.00 - $35.00

Running

5K 1K

Steele Trap Trail Run

Loma, Colorado, United States

12 Sep, 2026 (Sat)

$50.00

Running

Marathon

Run4Hope 5K for Schools

Monument, Colorado, United States

12 Sep, 2026 (Sat)

$30.00 - $75.00

Running

5K 3.2K

Black Squirrel Half Marathon

Bellvue, Colorado, United States

12 Sep, 2026 (Sat)

$110.00

Running

Half-Marathon

6 Dot Dash

Littleton, Colorado, United States

12 Sep, 2026 (Sat)

$40.00

Running

5K

The Denver 5k

Denver, Colorado, United States

12 Sep, 2026 (Sat)

$44.85

Running

5K

Jungle Dash

Loveland, Colorado, United States

12 Sep, 2026 (Sat)

$5.00 - $15.00

Running

1.6K Mini's Jungle Dash

National Chocolate Day: Run for Chocolates 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

12 Sep, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2