Race Calendar in Colorado, United States

Aspen Valley Marathon

Aspen, Colorado, United States

25 Jul, 2026 (Sat)

$70.00 - $220.00

Running

Marathon Half-Marathon 5K

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

World Championship Pack Burro Race

Fairplay, Colorado, United States

26 Jul, 2026 (Sun)

$70.00

Trail running, Running

49.9K 24.1K

Bird to Bird – Gravel Bike Ride

Crested Butte, Colorado, United States

26 Jul, 2026 (Sun)

$50.00

Cycling

Ultra

Spirit of the West 5K Run/Walk

Golden, Colorado, United States

26 Jul, 2026 (Sun)

$35.00

Running

5K

HRCA Badlands Circuit

Highlands Ranch, Colorado, United States

29 Jul, 2026 (Wed)

CCOC Kids Triathlon

Colorado Springs, Colorado, United States

29 Jul, 2026 (Wed)

Triathlon

4.8K

July 30 - Intermediate @ Palmer Park

Colorado Springs, Colorado, United States

30 Jul, 2026 (Thu)

July 30 - Beginner & Skills / Advanced @ Ute Valley Park

Colorado Springs, Colorado, United States

30 Jul, 2026 (Thu)

Wild West Relay

Fort Collins, Colorado, United States

31 Jul, 2026 (Fri) – 01 Aug, 2026

$880.00 - $2,860.00

Adventure race

Ultra

Aug 1 - Social Ride @ location tbd

Colorado Springs, Colorado, United States

01 Aug, 2026 (Sat)

Boggy Draw Beat Down

Dolores, Colorado, United States

01 Aug, 2026 (Sat)

Cycling, Mountain biking

Ultra 29K 24.1K 4.8K