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

Montbello Alive! 5K

Denver, Colorado, United States

Sep 19, 2026 (Sat)

$25.00

Running

5K

Expo Park XC Runs

Aurora, Colorado, United States

Sep 20, 2026 (Sun)

$24.00 - $25.00

Running

5K 2K 3K 4K +1

Chile & Frijole Hot to Trot 5K & 10K

Pueblo, Colorado, United States

Sep 20, 2026 (Sun)

$35.00 - $40.00

Running

5K 10K

20th Annual Golden Gallop

Golden, Colorado, United States

Sep 20, 2026 (Sun)

$45.00 - $50.00

Running

5K 10K 20K

Farmers 5000

Wheat Ridge, Colorado, United States

Sep 20, 2026 (Sun)

$10.00 - $30.00

Running

5K +1

Boggy Draw Bear Chase

Dolores, Colorado, United States

Sep 25, 2026 (Fri)

Running

3K 5K

Mesa County Search & Rescue 5K

Fruita, Colorado, United States

Sep 26, 2026 (Sat)

$25.00

Running

5K

Runway 5K - Run for the Angels

Broomfield, Colorado, United States

Sep 26, 2026 (Sat) – Oct 3, 2026

$25.00 - $40.00

Running

5K

McGinn Memorial Cross Country Challenge

Pagosa Springs, Colorado, United States

Sep 26, 2026 (Sat)

Free

Running

3K 5K

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

Parker, Colorado, United States

Sep 26, 2026 (Sat)

$40.00 - $50.00

Running

5K 10K

2026 Suicide Prevention Color Walk/Run

Center, Colorado, United States

Sep 26, 2026 (Sat)

$25.00

Running

5K

HRCA Oktoberfest 5K

Littleton, Colorado, United States

Sep 26, 2026 (Sat)

$40.00

Running

5K