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

Sep

26

Runway 5K - Run for the Angels

Broomfield, Colorado, United States

Running

5K

Sep

26

Parker Parks and Recreation So Long to Summer 5K/10K

Parker, Colorado, United States

Running

5K 10K

Sep

26

Colorado Brain Tumor Walk & Race

Denver, Colorado, United States

Running

5K

Sep

26

NIGHT NATION RUN - DENVER

Commerce City, Colorado, United States

Running

5K

Sep

26

Fusion Invitational

Denver, Colorado, United States

Running

5K 2.4K

Sep

25

NW Open Spaces 5k XC PR Challenge

Northglenn, Colorado, United States

Running

5K BOYS VARSITY GIRLS VARSITY

Sep

25

Boggy Draw Bear Chase

Dolores, Colorado, United States

Running

3K 5K

Sep

25

Dave Sanders Invitational

Littleton, Colorado, United States

Running

5K +7

Sep

20

Chile & Frijole Hot to Trot 5K & 10K

Pueblo, Colorado, United States

Running

5K 10K

Sep

20

20th Annual Golden Gallop

Golden, Colorado, United States

Running

5K 10K 20K

Sep

20

Farmers 5000

Wheat Ridge, Colorado, United States

Running

5K +1

Sep

20

Expo Park XC Runs

Aurora, Colorado, United States

Running

5K 2K 3K 4K +1