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

Sep

18

Severance Glow 5K Run or Walk

Severance, Colorado, United States

Running

5K

Sep

13

RMRR September Trophy Series

Thornton, Colorado, United States

Running

10K 5K

Sep

13

9/11 Heroes Run - Denver, Colorado

Denver, Colorado, United States

Running

5K 1.6K +3

Sep

13

El Grito 5k ( )

Denver, Colorado, United States

Running

5K

Sep

13

Mad Dash 5K

Milliken, Colorado, United States

Running

5K

Sep

12

Run4Hope 5K for Schools

Monument, Colorado, United States

Running

5K 3.2K

Sep

12

National Chocolate Day: Run for Chocolates 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

Running

5K 10K Half-Marathon 1.6K +2

Sep

12

6 Dot Dash

Littleton, Colorado, United States

Running

5K

Sep

12

9/11 Heroes Virtual Run

Colorado Springs, Colorado, United States

Running

5K

Sep

12

Tater Trot 5K

Monte Vista, Colorado, United States

Running

5K

Sep

12

Highland Homecoming 5k Run & Walk

Ault, Colorado, United States

Running

5K

Sep

12

Together With Tanzania 5K

Englewood, Colorado, United States

Running

5K