Race Calendar in Colorado, United States

Apr

25

Unicorn 5k (Denver-East)

Denver, Colorado, United States

$15.00 - $36.00

Running

5K 3.2K

May

01

Greenland Trail Races

Larkspur, Colorado, United States

$35.00 - $90.00

Trail running Running

Ultra 25K 12.9K 6.4K +2

May

01

18 Hours of Fruita

Loma, Colorado, United States

$180.00 - $950.00

Mountain biking

11.7K

May

02

The Colorado Marathon

Fort Collins, Colorado, United States

Running

Marathon Half-Marathon 5K 10K

May

02

Emerge 5K

Boulder, Colorado, United States

Free

Running

5K

May

08

Colterris Wine Run 5k

Palisade, Colorado, United States

$30.00

Running

5K

May

09

Colorado Women's Classic - Westminster

Westminster, Colorado, United States

Free - $55.00

Running

5K 10K 16.1K Kids Fun Run (100 yards)

May

09

Denver Mother's Day 5K

Denver, Colorado, United States

$26.99

Running

5K

May

15

Vallecito Lake Heavy Half

Bayfield, Colorado, United States

$75.00

Running

22.5K

May

15

Endure Trail Runs

Divide, Colorado, United States

$60.00 - $130.00

Running Trail running

11K 22.7K Marathon 12-Hour (Tiny Balls) +1

May

22

Samson's Revenge

Estes Park, Colorado, United States

$112.00 - $160.00

Trail running

10.5K 25K Ultra

Jun

05

Weld Your Mettle Running Festival

Eaton, Colorado, United States

$35.00 - $210.00

Trail running Running

Ultra 6.9K 22.5K Marathon +9