Race Calendar in Colorado, United States

Feb

14

Gothic Mountain Tour

Crested Butte, Colorado, United States

$100.00 - $130.00

Skiing

29K 38.6K

Feb

14

The Toyota Super Half Marathon™& Game Day 5K™

Colorado Springs, Colorado, United States

$35.00 - $70.00

Running

Half-Marathon 5K

Feb

27

Run Together Against Breast Cancer Denver/Aurora

Centennial, Colorado, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

28

Highlands Ranch 5k

Highlands Ranch, Colorado, United States

$43.00

Running

5K

Mar

06

Time to Paddy 5K/10K & Lucky 13.1 13.1 - Denver

Denver, Colorado, United States

Free - $55.00

Running

Kid's Dash 1.6K 5K 10K +4

Mar

07

Time to Paddy 5K/10K & Lucky 13.1 - Colorado Springs

Colorado Springs, Colorado, United States

Free - $42.00

Running

Kid's Dash 1.6K 5K 10K +4

Mar

07

Team CKF Running Series

Aspen, Colorado, United States

Free

Running

2026 Tokyo Marathon - Team CKF 2026 BMW Berlin Marathon - Team CKF 2027 Tokyo Marathon - Team CKF

Mar

13

22nd Annual Run Through Time Trail Marathon and Half Marathon

Salida, Colorado, United States

Trail running Running

Marathon Half-Marathon 3.2K

Mar

13

Sharin' O' The Green 5k

Fort Collins, Colorado, United States

Running

5K

Mar

13

Erin Go Bragh 7.77k

Westminster, Colorado, United States

$38.00

Running

7.8K

Mar

13

Grand Valley Brew Runs

Grand Junction, Colorado, United States

$35.00

Running

5K

Mar

14

Lucky Brew Race 5K, 10K, 15k & Half Marathon

Severance, Colorado, United States

$20.00 - $80.00

Running

5K 10K 15K 1K +1