Race Calendar in Colorado, United States

Grand Valley Oncology - Life In Color 5K

Grand Junction, Colorado, United States

06 Jun, 2026 (Sat)

$45.00

Running, Walking

5K

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

Centennial, Colorado, United States

06 Jun, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

2.2 for 22q Walk/Run/Ride 2026

Anywhere, Colorado, United States

06 Jun, 2026 (Sat) – 14 Jun, 2026

$27.00 - $35.00

Running

3.5K 5.1K Half-Marathon Marathon +4

Berthoud Day 5K

Berthoud, Colorado, United States

06 Jun, 2026 (Sat)

Free - $35.00

Running

5K

Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

06 Jun, 2026 (Sat) – 12 Dec, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Steamworks Half Marathon

Durango, Colorado, United States

06 Jun, 2026 (Sat)

$89.00

Running

Half-Marathon

Aiden's Adventure 5k

Colorado Springs, Colorado, United States

06 Jun, 2026 (Sat)

$10.00 - $45.00

Running

5K 1.6K +1

Pueblo Levee Fun Run Walk

Pueblo, Colorado, United States

06 Jun, 2026 (Sat)

$25.00

Running

5K

StepUp For Women And Recovery

Fort Collins, Colorado, United States

06 Jun, 2026 (Sat)

$50.00

Running

5K

Summits Trail Runs

Granby, Colorado, United States

06 Jun, 2026 (Sat)

$90.00 - $160.00

Trail running

9.8K 22.4K 44.7K Ultra

The Valley Bottom Rio Trio

Alamosa, Colorado, United States

06 Jun, 2026 (Sat) – 07 Jun, 2026

$15.00 - $30.00

Adventure race, Triathlon

22.3K 2.8K +2

The Steamboat Marathon

Steamboat Springs, Colorado, United States

07 Jun, 2026 (Sun)

$80.00 - $150.00

Running

Marathon Half-Marathon 10K