Trail running Race Calendar in Colorado, United States

Oct

17

Indian Creek Trail Runs

Sedalia, Colorado, United States

$60.00 - $170.00

Trail running

8.9K 24.1K Ultra

Oct

17

Blue Sky Trail Marathon & Half Marathon

Fort Collins, Colorado, United States

$110.00 - $130.00

Trail running

43K 22.2K

Oct

17

Chili Chase

Durango, Colorado, United States

$45.00

Trail running

10.5K

Oct

24

McGraw Memorial Park "Quick Draw @ McGraw" 2 Mile Trail Race

Bailey, Colorado, United States

$30.00

Trail running Running

3.2K

Nov

07

The Unselfish Ultra

Golden, Colorado, United States

Free

Trail running

48.7K

Nov

07

Kessel Run Ultra

Fruita, Colorado, United States

Trail running

Ultra 32.2K 16.1K +1

Nov

07

HRCA Backcountry Wilderness Half Marathon

Lone Tree, Colorado, United States

$75.00

Trail running

Half-Marathon

Nov

14

Lone Tree Reckoning Half and 5K

Loveland, Colorado, United States

$50.00 - $85.00

Trail running

Half Marathon 5K

Dec

05

Sawmill Trail Runs

Pine, Colorado, United States

$80.00 - $140.00

Trail running

13K 26K Ultra

Dec

05

Summit for Life

Aspen, Colorado, United States

$35.00 - $50.00

Trail running Running

4K Ride for Life

Feb

06

Stories Trail Runs

Colorado Springs, Colorado, United States

$60.00 - $100.00

Trail running Running

10.8K Half-Marathon 31.5K

Mar

13

22nd Annual Run Through Time Trail Marathon and Half Marathon

Salida, Colorado, United States

Trail running Running

Marathon Half-Marathon 3.2K