Race Discovery

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

362 events found

Flyin' Ryan Memorial 5k logo
Jul
24

Flyin' Ryan Memorial 5k

Loveland, Colorado, United States
$25.00
Running
5K
The Hero's Journey 5K logo
Jul
25

The Hero's Journey 5K

Aurora, Colorado, United States
$10.00 - $40.00
Running
5K 1K
Christmas 5K/10K/Half Marathon in July Meet Up - Denver logo
Jul
25

Christmas 5K/10K/Half Marathon in July Meet Up - Denver

Littleton, Colorado, United States
$35.00
Running
5K 10K Half-Marathon
2nd Annual Pancreatic Cancer Awareness in Honor of Diana Cantu - 5K Fun Run/Walk logo
Jul
25

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

Alamosa, Colorado, United States
$18.00 - $25.00
Running
5K
Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA logo
Jul
25

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

Centennial, Colorado, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +2
Aspen Valley Marathon logo
Jul
25

Aspen Valley Marathon

Aspen, Colorado, United States
$100.00 - $260.00
Running
Marathon Half-Marathon 5K
Run for Donuts 5K/10K/13.1 DENVER/AURORA logo
Jul
25

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

Centennial, Colorado, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +8
Newbie to 5k logo
Jul
25

Newbie to 5k

Pueblo, Colorado, United States
$50.00
Running
5K
Spirit of the West 5K Run/Walk logo
Jul
26

Spirit of the West 5K Run/Walk

Golden, Colorado, United States
$40.00
Running
5K
Flying Colors 5K Fun Run/Walk logo
Aug
01

Flying Colors 5K Fun Run/Walk

Craig, Colorado, United States
$30.00
Running
5K
Popsicle 5K/10K/Half - Colorado Springs logo
Aug
01

Popsicle 5K/10K/Half - Colorado Springs

Colorado Springs, Colorado, United States
$35.00 - $60.00
Running
5K 10K Half-Marathon +5
12th Annual Run for the Ring logo
Aug
01

12th Annual Run for the Ring

Aurora, Colorado, United States
$37.00 - $40.00
Running
5K