Race Calendar in Colorado, United States

Sep

13

El Grito 5k ( )

Denver, Colorado, United States

Free - $30.00

Running

5K

Sep

13

FalconTri

U S A F Academy, Colorado, United States

$15.00 - $65.00

Triathlon

Cadet Men Cadet Women Collegiate Men Triathlon Collegiate Women Triathlon +2

Sep

13

Fcrc Timber Social Run & Breakfast

Bellvue, Colorado, United States

Free

Running

Lory State Park Timber Trailhead

Sep

13

Mad Dash 5K

Milliken, Colorado, United States

$40.00

Running

5K

Sep

13

Springs Kids Triathlon

Colorado Springs, Colorado, United States

$25.00

Triathlon

1.6K

Sep

13

Buffalo Bicycle Classic

Boulder, Colorado, United States

$150.00 - $200.00

Cycling Gravel biking

Ultra 22.5K +5

Sep

13

9/11 Heroes Run - Denver, Colorado

Denver, Colorado, United States

Free - $45.00

Running

5K 1.6K +3

Sep

13

RMRR September Trophy Series

Thornton, Colorado, United States

$10.00

Running

10K 5K

Sep

17

Wmba End of Season.... Toga Party!!

Colorado Springs, Colorado, United States

Free

Running

2026 End of Season Party

Sep

18

Severance Glow 5K Run or Walk

Severance, Colorado, United States

Running

5K

Sep

19

Lederhosen Race 2026

Red Feather Lakes, Colorado, United States

$35.00

Running

5.8K

Sep

19

Beulah Challenge and OverIt Series

Beulah, Colorado, United States

$20.00 - $190.00

Running

Half-Marathon 10K 5K +2