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

Sep

07

Fca All Abilities Labor Day 5K

Loveland, Colorado, United States

$65.00

Running

5K

Sep

10

14th Annual Superhero Event

Greeley, Colorado, United States

Free - $40.00

Running

10K 5K 1.6K Kid's Fun Run (Ages 6 & Under) +5

Sep

12

Spirit of the Valley 5k

Grand Junction, Colorado, United States

$15.00 - $45.00

Running

5K 1K

Sep

12

For The City Network 5K

Greeley, Colorado, United States

$45.00

Running

5K

Sep

12

The Denver 5k

Denver, Colorado, United States

$54.85

Running

5K

Sep

12

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

Centennial, Colorado, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Sep

12

Run4Hope 5K for Schools

Monument, Colorado, United States

$30.00 - $75.00

Running

5K 3.2K

Sep

12

Tater Trot 5K

Monte Vista, Colorado, United States

$35.00

Running

5K

Sep

12

Highland Homecoming 5k Run & Walk

Ault, Colorado, United States

$25.00

Running

5K

Sep

12

6 Dot Dash

Littleton, Colorado, United States

$40.00

Running

5K

Sep

13

Mad Dash 5K

Milliken, Colorado, United States

$40.00

Running

5K

Sep

13

El Grito 5k ( )

Denver, Colorado, United States

Free - $30.00

Running

5K