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Colorado Marathon Races
The full 26.2-mile test, a bucket-list distance for dedicated endurance athletes across Colorado's Rocky Mountains. Find upcoming Marathon races near you on RaceCenter.
Marathon
Half Marathon
5K
10K
Colorado
Race List
September 19, 2026
Pikes Peak Marathon + Ascent
Colorado Springs
September 20, 2026
Fall Equinox Marathon, Half Marathon & 5 Mile
Fort Collins
September 26, 2026
The Elevation Everest Race
Winter Park
September 27, 2026
Boulderthon
Boulder
October 3, 2026
Colorado Springs Marathon, Half, 5K, and Kids K
Colorado Springs
October 10, 2026
Long View Marathon & Half
Fort Collins
May 8, 2027
Valkyrie Trail Race
Colorado Springs
May 15, 2027
Endure Trail Runs
June 12, 2027
Summits Trail Runs
