Race Calendar in Colorado, United States

Sep

06

Labor Day Half Marathon

Parker, Colorado, United States

$30.00 - $70.00

Running

Half-Marathon 10K 5K

Sep

07

Spirit of the Valley 5k

Grand Junction, Colorado, United States

$10.00 - $35.00

Running

5K 1K +1

Sep

10

Flaming Foliage Relay - Idaho Springs to Buena Vista

Idaho Springs, Colorado, United States

$680.00 - $1,680.00

Adventure race

Ultra

Sep

11

The Denver 5k

Denver, Colorado, United States

Free - $34.85

Running

5K FREE Kids Fun Run

Sep

11

Golden Harvest Half Marathon & 5K/10K - Denver

Denver, Colorado, United States

Free - $55.00

Running

Kid's Dash 1.6K 5K 10K +4

Sep

11

Rampart Rager Gravel

Colorado Springs, Colorado, United States

Free - $79.00

Gravel biking Cycling

Ultra 18.5K

Sep

11

Break Your Neck: Walk, Run, or Roll

Pueblo, Colorado, United States

Free

Running

5K 10K

Sep

11

Lake Nighthorse Triathlon - Sprint and Olympic

Durango, Colorado, United States

$85.00 - $130.00

Triathlon

25.8K Ultra +1

Sep

12

Golden Harvest Half Marathon & 5K/10K - Colorado Springs

Colorado Springs, Colorado, United States

Free - $42.00

Running

Kid's Dash 1.6K 5K 10K +4

Sep

18

All-Out Fall Fest

Westminster, Colorado, United States

$20.00 - $65.00

Running

Half-Marathon 10K 5K +2

Sep

18

Autumn Run

Buena Vista, Colorado, United States

Free - $95.00

Running

Half-Marathon 10K 5K Family Fun Run

Sep

25

Sangre de Cristo Trail Festival

Westcliffe, Colorado, United States

$60.00 - $375.00

Trail running

Ultra 12.9K 27K +2