Trail running Race Calendar in Colorado, United States

Sep

27

Sawatch Ascent

Nathrop, Colorado, United States

$159.00

Trail running

Ultra

Sep

27

Greenland Open Space Pack Burro Race presented by Double Rainbow Ranch (8 Mile and 3 Mile)

Larkspur, Colorado, United States

$60.00

Trail running

12.9K 4.8K

Oct

03

Outlast Denver

Littleton, Colorado, United States

$100.00

Trail running

29K

Oct

03

HRCA Wildcat Mountain Trail Races

Littleton, Colorado, United States

$55.00 - $65.00

Trail running

16.1K 10K

Oct

04

Rubey Rescue Run

Aspen, Colorado, United States

$60.38

Trail running

5K

Oct

10

Suffer Better 10th Annual Fall Trail Runs

Pine, Colorado, United States

$25.00 - $90.00

Trail running

Ultra 25K 5K

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

$40.00

Trail running

10.5K

Oct

17

Indian Creek Trail Runs

Sedalia, Colorado, United States

$60.00 - $170.00

Trail running

8.9K 24.1K Ultra

Nov

07

HRCA Backcountry Wilderness Half Marathon

Lone Tree, Colorado, United States

$65.00

Trail running

Half-Marathon

Nov

14

Lone Tree Reckoning Half and 5K

Loveland, Colorado, United States

$45.00 - $75.00

Trail running

Half Marathon 5K

Dec

05

Sawmill Trail Runs

Pine, Colorado, United States

$60.00 - $120.00

Trail running

13K 26K Ultra