Race Calendar in Colorado, United States

Oct

18

Running Scared 5K/13K - Colorado Springs

Colorado Springs, Colorado, United States

$40.00 - $60.00

Running

5K 13K 18K +4

Oct

17

Longmonster Dash 5k

Longmont, Colorado, United States

Running

5K

Oct

17

Indian Creek Trail Runs

Sedalia, Colorado, United States

Trail running

8.9K 24.1K Ultra

Oct

17

Chili Chase

Durango, Colorado, United States

Trail running

10.5K

Oct

17

Western Slope Boys 5K

Grand Junction, Colorado, United States

Running

5K

Oct

17

Witch Paddle

Littleton, Colorado, United States

Paddle sports

2026 Witch Paddle

Oct

17

Snow Mt. Ranch Dryland Classic

Granby, Colorado, United States

Running

4.7K 2.3K 1.6K 3.2K +8

Oct

17

Living Water 5K Fun Run

Denver, Colorado, United States

Running

5.1K

Oct

17

MS Boys 3000 Meter Run

Grand Junction, Colorado, United States

Running

MS Boys 3000 Meter Run

Oct

17

A2A Hero Run/Walk 5K

Pueblo, Colorado, United States

Running

4.8K

Oct

17

Blue Sky Trail Marathon & Half Marathon

Fort Collins, Colorado, United States

Trail running

43K 22.2K

Oct

17

The Great Trailhead Foot Race 5 & 10 Miler

Lakewood, Colorado, United States

Running

8K 16.1K