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

Jog in the Bog 5k

Westminster, Colorado, United States

Aug 22, 2026 (Sat)

$45.00

Running

5K

2026 True Impact Ministries 5K/10K

Centennial, Colorado, United States

Aug 22, 2026 (Sat)

$39.00

Running

5K 10K

Ram Run

Denver, Colorado, United States

Aug 22, 2026 (Sat)

$20.00 - $40.00

Running

5K 2K

Warrior Waterfront 5K

Grand Junction, Colorado, United States

Aug 22, 2026 (Sat)

$20.00

Running

5K

Byers Peak Stampede Half Marathon & 5K Run

Fraser, Colorado, United States

Aug 22, 2026 (Sat)

$65.00 - $85.00

Running

Half-Marathon 4.8K

Coyote Chase 5k

Louisville, Colorado, United States

Aug 22, 2026 (Sat)

$30.00

Running

5K

11th Annual Log Hill Hustle

Ridgway, Colorado, United States

Aug 23, 2026 (Sun)

$40.00

Running, Wheelchair

5K 10K

Pioneer Prairie Dog Half, 10k & 5k

Westminster, Colorado, United States

Aug 23, 2026 (Sun)

$45.00 - $85.00

Running

Half-Marathon 10K 5K

Rebel Run 5k

Denver, Colorado, United States

Aug 23, 2026 (Sun)

$10.00 - $50.00

Running, Walking

5K

RexRun For PAWSitivity 2026 Trail Run/Walk

Aurora, Colorado, United States

Aug 29, 2026 (Sat)

$20.00 - $45.00

Running, Walking

5K 1.6K

Historic Elizabeth Main Street 5K & Family Color Run

Elizabeth, Colorado, United States

Aug 29, 2026 (Sat)

$10.00 - $25.00

Running

5K 1.6K

Run for Hope - Colorado Springs

Colorado Springs, Colorado, United States

Aug 29, 2026 (Sat)

$25.00 - $40.00

Running

5K 1.6K