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

Clear for Takeoff Virtual 5K

Colorado Springs, Colorado, United States

20 Jul, 2026 (Mon) – 27 Jul, 2026

$35.00

Running

5K

Flyin' Ryan Memorial 5k

Loveland, Colorado, United States

24 Jul, 2026 (Fri)

$25.00

Running

5K

2nd Annual Pancreatic Cancer Awareness in Honor of Diana Cantu - 5K Fun Run/Walk

Alamosa, Colorado, United States

25 Jul, 2026 (Sat)

$18.00 - $25.00

Running

5K

Newbie to 5k

Pueblo, Colorado, United States

25 Jul, 2026 (Sat)

$50.00

Running

5K

Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

25 Jul, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Aspen Valley Marathon

Aspen, Colorado, United States

25 Jul, 2026 (Sat)

$80.00 - $240.00

Running

Marathon Half-Marathon 5K

Run for Donuts 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

25 Jul, 2026 (Sat) – 26 Sep, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

The Hero's Journey 5K

Aurora, Colorado, United States

25 Jul, 2026 (Sat)

$10.00 - $35.00

Running

5K 1K

Spirit of the West 5K Run/Walk

Golden, Colorado, United States

26 Jul, 2026 (Sun)

$35.00

Running

5K

Popsicle 5K/10K/Half - Colorado Springs

Colorado Springs, Colorado, United States

01 Aug, 2026 (Sat)

$35.00 - $60.00

Running

5K 10K Half-Marathon +5

12th Annual Run for the Ring

Aurora, Colorado, United States

01 Aug, 2026 (Sat)

$35.00 - $37.00

Running

5K

Flying Colors 5K Fun Run/Walk

Craig, Colorado, United States

01 Aug, 2026 (Sat)

$30.00

Running

5K