5K races in Colorado, United States — 2026 running calendar

Golden Harvest Half Marathon & 5k/10k - Colorado Springs

Colorado Springs, Colorado, United States

Sep 6, 2026 (Sun)

$22.00 - $60.00

Running

1.6K 5K 10K Half-Marathon

Oak Creek No Fun Run

Oak Creek, Colorado, United States

Sep 7, 2026 (Mon)

$25.00

Running

5K

Fca All Abilities Labor Day 5K

Loveland, Colorado, United States

Sep 7, 2026 (Mon)

$65.00

Running

5K

Labor Day Half Marathon

Parker, Colorado, United States

Sep 7, 2026 (Mon)

$33.00 - $75.00

Running

Half-Marathon 10K 5K

Fca All-Abilities Labor Day 5K

Loveland, Colorado, United States

Sep 7, 2026 (Mon)

$65.00

Running

5K

14th Annual Superhero Event

Greeley, Colorado, United States

Sep 10, 2026 (Thu) – Sep 27, 2026

Free - $40.00

Running

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

Tater Trot 5K

Monte Vista, Colorado, United States

Sep 12, 2026 (Sat)

$25.00

Running

5K

Run4Hope 5K for Schools

Monument, Colorado, United States

Sep 12, 2026 (Sat)

$30.00 - $75.00

Running

5K 3.2K

The Denver 5k

Denver, Colorado, United States

Sep 12, 2026 (Sat)

$49.85

Running

5K

6 Dot Dash

Littleton, Colorado, United States

Sep 12, 2026 (Sat)

$40.00

Running

5K

Spirit of the Valley 5k

Grand Junction, Colorado, United States

Sep 12, 2026 (Sat)

$10.00 - $35.00

Running

5K 1K

For The City Network 5K

Greeley, Colorado, United States

Sep 12, 2026 (Sat)

$45.00

Running

5K