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

Aug

04

Eltuck Valley 5K - Lory Summer Trail Series

Fort Collins, Colorado, United States

Running

5K

Aug

01

Move with Madd Denver 5K

Denver, Colorado, United States

Running Walking

5K Untimed Walk

Aug

01

Snowshoe Shuffle

Creede, Colorado, United States

Running

5K

Aug

01

12th Annual Run for the Ring

Aurora, Colorado, United States

Running

5K

Aug

01

STEPS TO EMPOWER

Colorado Springs, Colorado, United States

Running

1.6K 5K

Aug

01

Flying Colors 5K Fun Run/Walk

Craig, Colorado, United States

Running

5K

Jul

30

The Chosen Challenge

Colorado Springs, Colorado, United States

$65.00

Running

5K

Jul

25

Newbie to 5k

Pueblo, Colorado, United States

Running

5K

Jul

25

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

Littleton, Colorado, United States

Running

5K 10K Half-Marathon

Jul

25

Aspen Valley Marathon

Aspen, Colorado, United States

Running

Marathon Half-Marathon 5K

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

Jul

25

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

Centennial, Colorado, United States

Running

5K 10K Half-Marathon 1.6K +2