Race Calendar in Colorado, United States

Aug

30

Louisville Fall Splash & Dash

Louisville, Colorado, United States

Swimrun

1.6K

Aug

30

Bluffs Run 8K

Lone Tree, Colorado, United States

Trail running

8K

Aug

30

T&H Rsu Template

Fort Collins, Colorado, United States

Running

12K

Aug

29

Glow & Roll: Illuminate What's Possible

Littleton, Colorado, United States

Running

5K 2.6K

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

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

Centennial, Colorado, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

Historic Elizabeth Main Street 5K & Family Color Run

Elizabeth, Colorado, United States

Running

5K 1.6K

Aug

29

Run for Hope - Colorado Springs

Colorado Springs, Colorado, United States

Running

5K 1.6K

Aug

29

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

Allenspark, Colorado, United States

Running

5K 2K

Aug

29

Continental Divide Trail Run

Steamboat Springs, Colorado, United States

Trail running

8K 25.7K Ultra

Aug

29

Ymca of Pueblo Indoor Triathlon

Pueblo, Colorado, United States

Triathlon

YMCA of Pueblo Indoor Triathlon