Race Calendar in Colorado, United States

Aug 13 - Beginners / Advanced @ Palmer

Colorado Springs, Colorado, United States

13 Aug, 2026 (Thu)

Aug 13 - Intermediate @ Red Rocks

Colorado Springs, Colorado, United States

13 Aug, 2026 (Thu)

South Fork Pandemonium

South Fork, Colorado, United States

14 Aug, 2026 (Fri) – 15 Aug, 2026

Farish Mt Bike Race

Woodland Park, Colorado, United States

15 Aug, 2026 (Sat)

$45.00 - $55.00

Mountain biking

9.7K 19.3K 25.7K

Run for PB& J 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

15 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

The Cheyenne Mountain Run

Colorado Springs, Colorado, United States

15 Aug, 2026 (Sat)

$45.00 - $95.00

Trail running

5K 10K 22.5K

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

Centennial, Colorado, United States

15 Aug, 2026 (Sat) – 10 Oct, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Miles for Migraine Colorado

Denver, Colorado, United States

15 Aug, 2026 (Sat)

Running

3.2K 5K

2026 CKF Leadville Trail 100 MTB

Leadville, Colorado, United States

15 Aug, 2026 (Sat)

Free

Mountain biking

Ultra

Sunrise Stampede

Longmont, Colorado, United States

15 Aug, 2026 (Sat)

Free - $35.00

Running

5K 1.6K +1

Erie Half & 5k

Erie, Colorado, United States

16 Aug, 2026 (Sun)

$45.00 - $70.00

Running

Half-Marathon 5K

Flying Falcon Downhill Mile

USAF Academy, Colorado, United States

16 Aug, 2026 (Sun)

$20.00

Running

1.6K