CO · June 2027
Half Marathons in Colorado in June
8 half marathons in Colorado are on the calendar for June 2027, in Denver, Eaton, Louisville, Arvada and more. Tap a race for the course, weather, past results and how to register.
2R
2027 Revel Rockies · Denver, Colorado
Weld Your Mettle Running Festival · Eaton, Colorado
Colorado 13er (Half Marathon/10k/5k) · Louisville, Colorado
All-Out Summer Breeze · Arvada, Colorado
Summits Trail Runs · Granby, Colorado
2L
2027 Leadville Trail Marathon and Heavy Half · Leadville, Colorado
2M
2027 Mountain Ridge Trail Race · Highlands Ranch, Colorado
Race in the Clouds - Alma Dirt Festival 2027 · Alma, Colorado