Running Races in Colorado
Colorado has 322 upcoming running races scheduled for 2026. Most of the calendar falls in the warmer months: 248 of 322 races (77%) take place between May and September, with June (69 events) the busiest month. No single city dominates the calendar. Colorado Springs leads with 54 races, followed by Denver (30), Centennial (26), and Fort Collins (11). The remaining 62% of the calendar is spread across smaller cities.
Running races by month in Colorado
Jun (69) · Jul (62) · Sep (53) · Aug (50) · Oct (28) · Nov (25) · May (14) · Dec (13) · Feb (3) · Mar (3) · Jan (2)
Notable Colorado events
- Bound for Boston Marathon & Half — Denver, August 2 — Boston-qualifier marathon and half marathon
- Pikes Peak Marathon — Manitou Springs, September 19 — mountain marathon
Showing 24 of 322
Running
Smiles For Miles Memorial Day Fun Run
Pueblo, CO
Smiles For Miles Memorial Day Fun Run
Smiles for Miles Memorial Day Fun Run - Sponsored by Dignity Memorial - Supporting Operation School Bell
Running
May 28 - InterVanced & Advanced @ Cheyenne Canyon
Colorado Springs, CO
May 28 - InterVanced & Advanced @ Cheyenne Canyon
Running
May 28 - Beginner / Intermediate @ Red Rock
Colorado Springs, CO
May 28 - Beginner / Intermediate @ Red Rock
Running
Yampa River Fest 2026
Steamboat Springs, CO
Yampa River Fest 2026
Mile High Rescue Sixth annual 5K! Running for Rescues! & Summer Kick Off Party
Running
The Red Schoolhouse Run
Louisville, CO
The Red Schoolhouse Run
Running
June 4 - Intermediate @ Stratton
Colorado Springs, CO
June 4 - Intermediate @ Stratton
Running
June 4 - Advanced @ Red Rock/Stephanies
Colorado Springs, CO
June 4 - Advanced @ Red Rock/Stephanies
Running
June 4 - Never Evers & Beginners @ Bear Creek
Colorado Springs, CO
