Race Calendar in Colorado, United States

Sep

25

Skate for Chicken

Colorado Springs, Colorado, United States

$30.00

Running

2026 Skate for Chicken

Sep

25

Red Feather Trail Jamboree

Red Feather Lakes, Colorado, United States

$110.00 - $340.00

Trail running

Ultra Half-Marathon

Sep

25

Boggy Draw Bear Chase

Dolores, Colorado, United States

Running

3K 5K

Sep

26

Runway 5K - Run for the Angels

Broomfield, Colorado, United States

$25.00 - $40.00

Running

5K

Sep

26

HRCA Oktoberfest 5K

Littleton, Colorado, United States

$45.00

Running

5K

Sep

26

OUTLAST COLORADO SPRINGS

Colorado Springs, Colorado, United States

$100.00

Trail running

29K

Sep

26

Estes Epic

Estes Park, Colorado, United States

$100.00 - $265.00

Mountain biking Duathlon Trail running

49.9K Ultra 24.1K

Sep

26

Lisa Nelson’s Mustang Stampede 5K

Arvada, Colorado, United States

$30.00

Running

5K

Sep

26

Parker Parks and Recreation So Long to Summer 5K/10K

Parker, Colorado, United States

$40.00 - $50.00

Running

5K 10K

Sep

26

25th Annual Black Canyon Triathlon

Montrose, Colorado, United States

$20.00 - $140.00

Triathlon Running

Youth Individual Triathlon Entry Adult Individual Triathlon Entry 2-3 Person Youth Team Triathlon Entry 2-3 Person Adult Team Triathlon Entry +3

Sep

26

Oktoberfest Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Sep

26

Run For Your Flapjacks 5K

Oak Creek, Colorado, United States

$25.00

Running

5K