5K races in Colorado, United States — 2026 running calendar

Aug

29

Waneka Classic 5K

Lafayette, Colorado, United States

Running

5K

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

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

Allenspark, Colorado, United States

Running

5K 2K

Aug

29

Rocky Mountain 5K presented by School District 11

Colorado Springs, Colorado, United States

Running

5K 1K

Aug

29

RexRun For PAWSitivity 2026 Trail Run/Walk

Aurora, Colorado, United States

Running Walking

5K 1.6K

Aug

28

D'Evelyn Dash XC

Denver, Colorado, United States

Running

5K

Aug

23

11th Annual Log Hill Hustle

Ridgway, Colorado, United States

Running Wheelchair

5K 10K

Aug

23

PH in the Park

Denver, Colorado, United States

Running

5K 1.6K Virtual Run +5

Aug

23

Rebel Run 5k

Denver, Colorado, United States

Running Walking

5K

Aug

22

Warrior Invite Boys 5K

Grand Junction, Colorado, United States

Running

5K

Aug

22

Warrior Invite Girls 5K

Grand Junction, Colorado, United States

Running

5K

Aug

22

Bayfield XC Invitational

Bayfield, Colorado, United States

Running

5K 3.2K +1