CO · April 2027
Half Marathons in Colorado in April
8 half marathons in Colorado are on the calendar for April 2027, in Fruita, Littleton, Fort Collins, Westminster and more. Tap a race for the course, weather, past results and how to register.
DR
Desert RATS Trail Running Festival · Fruita, Colorado
PR
Platte River Half Marathon · Littleton, Colorado
Platte River Half-Marathon, Relay & 5k · Littleton, Colorado
Horsetooth Half Marathon - Presented by Fort Collins Connexion · Fort Collins, Colorado
2W
2027 Westminster Trail Race · Westminster, Colorado
All-Out Beat the Heat · Westminster, Colorado
Bigfoot Half Marathon · Estes Park, Colorado
NH
NOCO Half Marathon & 10K · Loveland, Colorado