Race Calendar in Colorado, United States

Valentine's Day Run 5K/10K/13.1 Denver/Aurora

Centennial, Colorado, United States

Feb 13, 2027 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Heart Throb 5k

Arvada, Colorado, United States

Feb 13, 2027 (Sat)

$30.00

Running

5K

Run for Chocolate 5k/10k/13.1 Denver/Aurora

Centennial, Colorado, United States

Feb 13, 2027 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

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

Colorado Springs, Colorado, United States

Feb 14, 2027 (Sun)

$35.00 - $70.00

Running

Half-Marathon 5K

Highlands Ranch 5k

Highlands Ranch, Colorado, United States

Feb 28, 2027 (Sun)

$38.00

Running

5K

Team CKF Running Series

Aspen, Colorado, United States

Mar 7, 2027 (Sun)

22nd Annual Run Through Time Trail Marathon and Half Marathon

Salida, Colorado, United States

Mar 13, 2027 (Sat)

Trail running, Running

Marathon Half-Marathon 3.2K

Erin Go Bragh 7.77k

Westminster, Colorado, United States

Mar 13, 2027 (Sat)

$38.00

Running

7.8K

Grand Valley Brew Runs

Grand Junction, Colorado, United States

Mar 13, 2027 (Sat)

$35.00

Running

5K

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

Severance, Colorado, United States

Mar 14, 2027 (Sun)

$15.00 - $70.00

Running

5K 10K 15K 1K +1

All-Out Spring Fever

Golden, Colorado, United States

Mar 21, 2027 (Sun)

$20.00 - $65.00

Running

Half-Marathon 10K 5K +2

Central Park 5k

Denver, Colorado, United States

Mar 28, 2027 (Sun)

$25.00

Running

5K