Race Calendar in Colorado, United States

Creede Donkey Dash

Creede, Colorado, United States

06 Jun, 2026 (Sat)

$70.00

Running

16.1K 4.8K

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

Summits Trail Runs

Granby, Colorado, United States

06 Jun, 2026 (Sat)

$90.00 - $160.00

Trail running

9.8K 22.4K 44.7K Ultra

StepUp For Women And Recovery

Fort Collins, Colorado, United States

06 Jun, 2026 (Sat)

$50.00

Running

5K

RMRR June Trophy Series

Denver, Colorado, United States

07 Jun, 2026 (Sun)

$10.00

Running

4K

DU Dash Colorado

Palmer Lake, Colorado, United States

07 Jun, 2026 (Sun)

$45.00

Running

5K 10K

Colorado 13er (Half Marathon/10k/5k)

Louisville, Colorado, United States

07 Jun, 2026 (Sun)

$45.00 - $75.00

Running

Half-Marathon 10K 5K

Flamingo Day 5K

Denver, Colorado, United States

07 Jun, 2026 (Sun)

$36.00

Running

5K

The Steamboat Marathon

Steamboat Springs, Colorado, United States

07 Jun, 2026 (Sun)

$80.00 - $150.00

Running

Marathon Half-Marathon 10K

Steamboat Springs Youth Track & Field Camp

Steamboat Springs, Colorado, United States

08 Jun, 2026 (Mon) – 11 Jun, 2026

Gold Roots Trail Series

Idaho Springs, Colorado, United States

10 Jun, 2026 (Wed) – 09 Sep, 2026

$27.36

Trail running

6.4K

BRR All-Comers Summer Track & Field Series #1

Boulder, Colorado, United States

11 Jun, 2026 (Thu)

$15.00 - $20.00

Running

Ultra 1.6K 3K +1