Running Race Calendar in Colorado, United States

6th Annual July 4th Rock-It Run

Castle Rock, Colorado, United States

Jul 4, 2026 (Sat)

Running

5K Half-Marathon 1K

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

Centennial, Colorado, United States

Jul 4, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

16th Annual Telluride Foundation Rundola: Run for Good

Telluride, Colorado, United States

Jul 4, 2026 (Sat)

Running

1.3K

Avery Brewing Co. 4K on the 4th

Boulder, Colorado, United States

Jul 4, 2026 (Sat)

Running

4K

Bayfield Firecracker 5K & 2K fun run/walk

Bayfield, Colorado, United States

Jul 4, 2026 (Sat)

Running

5K 2K

Ourayce 10K Fun Run

Ouray, Colorado, United States

Jul 4, 2026 (Sat)

Running

10K

Burro Buster 5k

Fairplay, Colorado, United States

Jul 4, 2026 (Sat)

Running

5K

HRCA Independence Day 5K

Littleton, Colorado, United States

Jul 4, 2026 (Sat)

Running

5K

Run For Your Life 5K

Meeker, Colorado, United States

Jul 4, 2026 (Sat) – Oct 24, 2026

$30.00

Running

5K

Let Freedom Run 5k - LONGMONT

Longmont, Colorado, United States

Jul 4, 2026 (Sat)

Running

5K

Let Freedom Run 5k/10k - Louisville

Louisville, Colorado, United States

Jul 4, 2026 (Sat)

Running

5K 10K

FireKracker 5k

Fort Collins, Colorado, United States

Jul 4, 2026 (Sat)

Running

5K 1.6K