Race Calendar in Colorado, United States

July 23 - Intermediate @ Ute

Colorado Springs, Colorado, United States

23 Jul, 2026 (Thu)

July 23 - Beginner / Advanced @ Cheyenne Mountain State Park

Colorado Springs, Colorado, United States

23 Jul, 2026 (Thu)

Flyin' Ryan Memorial 5k

Loveland, Colorado, United States

24 Jul, 2026 (Fri)

$25.00

Running

5K

Never Summer 100km & 60km

Walden, Colorado, United States

24 Jul, 2026 (Fri) – 26 Jul, 2026

$210.00 - $440.00

Trail running

Ultra

Aspen Valley Marathon

Aspen, Colorado, United States

25 Jul, 2026 (Sat)

$70.00 - $220.00

Running

Marathon Half-Marathon 5K

CEROX + IRON

Frederick, Colorado, United States

25 Jul, 2026 (Sat)

The Hero's Journey 5K

Aurora, Colorado, United States

25 Jul, 2026 (Sat)

$10.00 - $35.00

Running

5K 1K

Newbie to 5k

Pueblo, Colorado, United States

25 Jul, 2026 (Sat)

$50.00

Running

5K

2nd Annual Pancreatic Cancer Awareness in Honor of Diana Cantu - 5K Fun Run/Walk

Alamosa, Colorado, United States

25 Jul, 2026 (Sat)

$18.00 - $25.00

Running

5K

Run for Donuts 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

25 Jul, 2026 (Sat) – 26 Sep, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

25 Jul, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Bob Cook Memorial Blue Sky Hill Climb

Idaho Springs, Colorado, United States

25 Jul, 2026 (Sat)

$175.00

Cycling

43.5K