Discover the Best Marathons In Colorado

Browse our listing of marathons in Colorado to find one that suits your goals. Plus, get training tips on how to become a better runner. For a full list of events, check out our calendar.

Colorado Marathons

REVEL Rockies Denver, Colorado
Silverton Alpine Runs Silverton, Colorado
Aspen Valley Marathon Aspen, Colorado
Pikes Peak Marathon + Ascent Manitou Springs, Colorado
Fall Equinox Marathon, Half Marathon & 5 Mile Fort Collins, Colorado