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

Break Your Neck: Walk, Run, or Roll

Pueblo, Colorado, United States

05 Sep, 2026 (Sat)

Free

Running

5K 10K

Demon Dash

Arvada, Colorado, United States

05 Sep, 2026 (Sat)

$25.00

Running

5K

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

Colorado Springs, Colorado, United States

06 Sep, 2026 (Sun)

$22.00 - $54.00

Running

1.6K 5K 10K Half-Marathon

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

Fca All-Abilities Labor Day 5K

Loveland, Colorado, United States

07 Sep, 2026 (Mon)

$65.00

Running

5K

Fca All Abilities Labor Day 5K

Loveland, Colorado, United States

07 Sep, 2026 (Mon)

$65.00

Running

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

The Denver 5k

Denver, Colorado, United States

12 Sep, 2026 (Sat)

$44.85

Running

5K

For The City Network 5K

Greeley, Colorado, United States

12 Sep, 2026 (Sat)

$45.00

Running

5K

Run4Hope 5K for Schools

Monument, Colorado, United States

12 Sep, 2026 (Sat)

$30.00 - $75.00

Running

5K 3.2K