Race Calendar in Colorado, United States

Pat's Pony Express

Woodland Park, Colorado, United States

Aug 8, 2026 (Sat)

$65.00 - $80.00

Trail running

12.9K 25.7K 22.5K

Pancake Stampede 5K

Littleton, Colorado, United States

Aug 9, 2026 (Sun)

$20.00

Running

5K

Summer Sizzler- Colorado Springs

Colorado Springs, Colorado, United States

Aug 9, 2026 (Sun)

$22.00 - $38.00

Running

1.6K 5K 10K 15K

The Bullfrog Summer Surge

Lakewood, Colorado, United States

Aug 9, 2026 (Sun)

Free - $45.00

Running

5K 0.8K

The Berkeley Circuit

Denver, Colorado, United States

Aug 9, 2026 (Sun)

Free - $35.00

Running

Fun and Free Kids Quarter Mile 1.6K

Into the Hills Eltuck 10k

Bellvue, Colorado, United States

Aug 11, 2026 (Tue)

$30.00

Trail running

10K

Aug 13 - Intermediate @ Red Rocks

Colorado Springs, Colorado, United States

Aug 13, 2026 (Thu)

Aug 13 - Beginners / Advanced @ Palmer

Colorado Springs, Colorado, United States

Aug 13, 2026 (Thu)

South Fork Pandemonium

South Fork, Colorado, United States

Aug 14, 2026 (Fri) – Aug 15, 2026

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

Centennial, Colorado, United States

Aug 15, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

2026 CKF Leadville Trail 100 MTB

Leadville, Colorado, United States

Aug 15, 2026 (Sat)

Free

Mountain biking

Ultra

Frontier Academy Community 5K

Greeley, Colorado, United States

Aug 15, 2026 (Sat)

$25.00

Running

5K