Half Marathon races in Colorado
Find the list of upcoming Half Marathon races in Colorado races below.
96 races found
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Hometown Half Marathon & 5k/10k – Colorado Springs
Hometown Half Marathon & 5k/10k – Denver
Girls on the Run Rockies Colfax SoleMates 2026
Run for Mental Health 5K/10K/13.1 DENVER/AURORA
Memorial Day Run 5K/10K/13.1 DENVER/AURORA
Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA
SuperHeroes Run 5K/10K/13.1 DENVER/AURORA
Steamworks Half Marathon
Colorado 13er (Half Marathon/10k/5k)
The Steamboat Marathon
All-Out Summer Breeze
Red, White and Brew 5k, 10k & Half Marathon
Sloth Run 5K/10K/13.1 DENVER/AURORA
Run Juneteenth Day 5K/10K/13.1 DENVER/AURORA
Slacker Half Marathon-Relay-4-Mile Races
Race in the Clouds – Alma Dirt Festival 2026
Run for Chocolate 5K/10K/13.1 DENVER/AURORA
July 4th Run 5K/10K/13.1 DENVER/AURORA
All-Out Dog Days
