Race Discovery

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

513 events found

World Run Day Virtual 5K - Lakewood logo
Oct
24

World Run Day Virtual 5K - Lakewood

Lakewood, Colorado, United States
$19.99
Running
5K
YMCA of Pueblo Spooky Sprint 5K logo
Oct
24

YMCA of Pueblo Spooky Sprint 5K

Pueblo, Colorado, United States
$50.00
Running
5K
Ymca of Pueblo Race Series logo
Oct
24

Ymca of Pueblo Race Series

Pueblo, Colorado, United States
$80.00
Running
5K
World Run Day Virtual 5K - Boulder logo
Oct
24

World Run Day Virtual 5K - Boulder

Boulder, Colorado, United States
$19.99
Running
5K
World Run Day Virtual 5K - Aurora logo
Oct
24

World Run Day Virtual 5K - Aurora

Aurora, Colorado, United States
$19.99
Running
5K
Mancos Cowboy Half Marathon, 5K, and Fun Run logo
Oct
24

Mancos Cowboy Half Marathon, 5K, and Fun Run

Mancos, Colorado, United States
Free - $85.00
Running
Half-Marathon 5K 1.6K
World Run Day Virtual 5K - Colorado Springs logo
Oct
24

World Run Day Virtual 5K - Colorado Springs

Colorado Springs, Colorado, United States
$19.99
Running
5K
Paws for Life Fun Run/Walk 5K - Sponsored by Imperial Memorial Gardens logo
Oct
24

Paws for Life Fun Run/Walk 5K - Sponsored by Imperial Memorial Gardens

Pueblo, Colorado, United States
Free
Running
5K
Run Fur Fun 5K logo
Oct
24

Run Fur Fun 5K

Fort Collins, Colorado, United States
$20.00 - $45.00
Running
5K
Hoofin' It Through the Hollows 5K logo
Oct
24

Hoofin' It Through the Hollows 5K

Centennial, Colorado, United States
$20.00
Running
5K
The 14th Annual Odyssey Odyssey - 2026 logo
Oct
25

The 14th Annual Odyssey Odyssey - 2026

Denver, Colorado, United States
Free
Running
5K 1.6K
Ghosts and Goblins 5K/10K logo
Oct
25

Ghosts and Goblins 5K/10K

Denver, Colorado, United States
$36.00 - $50.00
Running
5K 10K