Race Calendar in Colorado, United States

Dash4Hope 2026

Greeley, Colorado, United States

30 May, 2026 (Sat)

$15.00

Running

5K

M1LE Nation Challenge

Anywhere, Colorado, United States

30 May, 2026 (Sat) – 07 Jun, 2026

$10.00 - $30.00

Running

1.6K

DRMABPsi 1–5K Walk, Run & Roll

Denver, Colorado, United States

30 May, 2026 (Sat)

$10.00 - $35.00

Running

5K 4K 3K 2K +2

Weld Your Mettle Running Festival

Eaton, Colorado, United States

30 May, 2026 (Sat) – 31 May, 2026

$55.00 - $230.00

Trail running, Running

Ultra 6.9K 22.5K Marathon +7

36th Annual Fire Hydrant 5K & Expo

Fort Collins, Colorado, United States

30 May, 2026 (Sat)

Free

Running

5K

Trinidad Wellness Festival 5K

Trinidad, Colorado, United States

30 May, 2026 (Sat)

$30.00

Running

5K

OUTLAW GRAVEL

Steamboat Springs, Colorado, United States

31 May, 2026 (Sun)

$165.00

Cycling

Ultra

Mile High Rescue Sixth annual 5K! Running for Rescues! & Summer Kick Off Party

Englewood, Colorado, United States

31 May, 2026 (Sun)

$10.00 - $35.00

Running

5K 1.6K +2

Green Mountain High School Youth Cross Country Camp

Lakewood, Colorado, United States

01 Jun, 2026 (Mon) – 04 Jun, 2026

Love Hard 5k Fun Run

Denver, Colorado, United States

01 Jun, 2026 (Mon) – 30 Jun, 2026

$35.00

Running

5K +4

Endorphins for Orphans Virtual 5K

Colorado Springs, Colorado, United States

01 Jun, 2026 (Mon) – 07 Sep, 2026

$75.00

Running

5K

The Big Run Presented By Brooks

Colorado Springs, Colorado, United States

02 Jun, 2026 (Tue) – 03 Jun, 2026

Free

Running

5K 4.8K