Fall Equinox Marathon, Half Marathon & 5 Mile - RaceCenter

Fall Equinox Marathon, Half Marathon & 5 Mile

September 21, 2025

Fort Collins

Held on the Autumnal Equinox during the height of fall color. Marathon, Half Marathon and 5-miles races are all point-to-point, net downhill, scenic courses along the Cache La Poudre River; Colorado's only Wild & Scenic river.Challenge yourself to run a beautiful road marathon through the mountains with a screaming descent through the Buckhorn and Poudre River Canyons. The Half Marathon starts at the famed Mishawaka music venue and is a fast downhill course great for your new PR or a first half marathon!Post-race party at the base of the canyon with breakfast, locally brewed beer, live music and awards.