Running Race Calendar in Colorado, United States

The Big Run Presented By Brooks

Colorado Springs, Colorado, United States

02 Jun, 2026 (Tue) – 03 Jun, 2026

Running

5K 4.8K

Love Hard 5k Fun Run

Denver, Colorado, United States

01 Jun, 2026 (Mon) – 30 Jun, 2026

$35.00

Running

5K +4

Denver, CO Galloway Training Program

Denver, Colorado, United States

01 Jun, 2026 (Mon) – 31 May, 2027

$85.00 - $260.00

Running

New Member - Marathon & Half Marathon Training Alumni - Marathon & Half Marathon Training Alumni Club - Galloway Member for at least 2 previous years New Member - Year-Round Training +1

Endorphins for Orphans Virtual 5K

Colorado Springs, Colorado, United States

01 Jun, 2026 (Mon) – 07 Sep, 2026

$75.00

Running

5K

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

Englewood, Colorado, United States

31 May, 2026 (Sun)

Running

5K 1.6K +2

Dash4Hope 2026

Greeley, Colorado, United States

30 May, 2026 (Sat)

Running

5K

Trinidad Wellness Festival 5K

Trinidad, Colorado, United States

30 May, 2026 (Sat)

Running

5K

Weld Your Mettle Running Festival

Eaton, Colorado, United States

30 May, 2026 (Sat) – 31 May, 2026

Trail running, Running

Ultra 6.9K 22.5K Marathon +7

DRMABPsi 1–5K Walk, Run & Roll

Denver, Colorado, United States

30 May, 2026 (Sat)

Running

5K 4K 3K 2K +2

2026 MTHCF 5K

Fruita, Colorado, United States

30 May, 2026 (Sat)

Running

5.1K

Angelman Syndrome 5K

Colorado Springs, Colorado, United States

30 May, 2026 (Sat)

Running

5K

36th Annual Fire Hydrant 5K & Expo

Fort Collins, Colorado, United States

30 May, 2026 (Sat)

Running

5K