Race Calendar in Colorado, United States

The Red Schoolhouse Run

Louisville, Colorado, United States

23 Jun, 2026 (Tue)

$30.00

Running

5K

Stitch, Sip, & Support

Aurora, Colorado, United States

24 Jun, 2026 (Wed)

$46.23

Running

Stitch, Sip, & Support - Girls on the Run

BRR All-Comers Summer Track & Field Series #2

Boulder, Colorado, United States

25 Jun, 2026 (Thu)

$20.00

Running

3K

June 25 - Beginners / Advanced @ Red Rocks

Colorado Springs, Colorado, United States

25 Jun, 2026 (Thu)

June 25 - Intermediate @ Monument

Colorado Springs, Colorado, United States

25 Jun, 2026 (Thu)

Race in the Clouds - Alma Dirt Festival 2026

Alma, Colorado, United States

25 Jun, 2026 (Thu) – 28 Jun, 2026

$10.00 - $140.00

Mountain biking, Duathlon, Trail running

Ultra Marathon Half-Marathon 35.4K +5

The Four Legged 5k

Bailey, Colorado, United States

26 Jun, 2026 (Fri)

$10.00 - $20.00

Running

5K

We Ride 4 Three Day Adventures

Canon City, Colorado, United States

26 Jun, 2026 (Fri) – 19 Jul, 2026

Fitness Expo On Tap at the Colorado Tap House

Arvada, Colorado, United States

27 Jun, 2026 (Sat)

Free - $20.00

Running

5K FREE Yoga On Tap 1.6K I want the Event Shirt! +1

Loveland Lake to Lake Triathlon

Loveland, Colorado, United States

27 Jun, 2026 (Sat)

Before The Fourth 5k

Littleton, Colorado, United States

27 Jun, 2026 (Sat)

$40.00

Running

5K

SBT TRL

Steamboat Springs, Colorado, United States

27 Jun, 2026 (Sat)

$35.75 - $55.75

Running

10K 5K