Running Race Calendar in Colorado, United States

Aug

29

Rocky Mountain 5K presented by School District 11

Colorado Springs, Colorado, United States

Running

5K 1K

Aug

29

Glow & Roll: Illuminate What's Possible

Littleton, Colorado, United States

Running

5K 2.6K

Aug

29

Run Like the Wind 5k / 2k / Dog Jog

Allenspark, Colorado, United States

Running

5K 2K

Aug

29

Run to Breast Cancer 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

RexRun For PAWSitivity 2026 Trail Run/Walk

Aurora, Colorado, United States

Running Walking

5K 1.6K

Aug

29

Waneka Classic 5K

Lafayette, Colorado, United States

Running

5K

Aug

29

Flyin' Lion 5K

Littleton, Colorado, United States

Running

5K 1.6K +3

Aug

28

D'Evelyn Dash XC

Denver, Colorado, United States

Running

5K

Aug

27

Adams 12 MS XC

Thornton, Colorado, United States

Running

3.2K

Aug

27

Valley Middle School XC

Gilcrist, Colorado, United States

Running

3.2K

Aug

27

Unbridled Golf Classic

Castle Rock, Colorado, United States

Running

Golf Classic - Single Player Golf Classic - Foursome

Aug

23

Rmrr Fall Marathon Training Series

Thornton, Colorado, United States

Running

16.1K 32.2K