42 Half Marathon Colorado
July 2025


Littleton, CO
Jul 8, 2025 - Sep 28, 2025


Castle Rock, CO
Jul 19, 2025 - Jul 25, 0007 (6:30 AM)
August 2025


Colorado Springs, CO
Sat - Aug 02, 2025


Denver, CO
Sun - Aug 03, 2025 @ 6:30 AM

Denver, CO
Sun - Aug 03, 2025




September 2025



Red Feather Lakes, CO
Sep 26, 2025 - Sep 28, 2025 (6:00 AM)

Red Feather Lakes, CO
Sep 26, 2025 - Sep 27, 2025

Westminster, CO
Sat - Sep 27, 2025 @ 8:00 AM


Centennial, CO
Sat - Sep 27, 2025

Sterling, CO
Sep 30, 2025 - Oct 1, 2025
October 2025

Centennial, CO
Sat - Oct 04, 2025

Colorado Springs, CO
Sat - Oct 04, 2025 @ 7:00 AM
Running > 5k, Half Marathon, Marathon, Other Running
Featured
VIEW DISCOUNT

Windsor, CO
Sun - Oct 05, 2025 @ 7:00 AM


Centennial, CO
Sat - Oct 18, 2025
November 2025



Centennial, CO
Sat - Nov 15, 2025

Centennial, CO
Sat - Nov 29, 2025