Discover the Best Half Marathons In Colorado

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

Colorado Half Marathons

Aspen Valley Marathon Aspen, Colorado
Rocky Mountain Half & 5K Estes Park, Colorado
Turkey Springs Showdown Trail Races Pagosa Springs, Colorado
Pikes Peak Marathon + Ascent Manitou Springs, Colorado
Fall Equinox Marathon, Half Marathon & 5 Mile Fort Collins, Colorado