Upcoming Half Marathons in Montana

Endurance Grid lists seventeen half marathons in Montana, from October 2026 to September 2027 across 11 cities.

17
Races
11
Cities
10
Sports

Running races in Montana

Your next race is out there. Go find it.

All Montana Running Races

Frequently Asked Questions

How many half marathons are in Montana?
Endurance Grid's Race Calendar lists 17 upcoming half marathons in Montana, in 11 cities, from October 2026 to September 2027.
How long is a half marathon?
A half marathon is a running race where athletes run 13.1 miles long (21.1 kilometers) for time.
Which Montana cities host half marathons?
Half marathons in Montana are held in West Yellowstone, Bozeman, Ennis, Helena, Seeley Lake, Kalispell, Livingston, Missoula, Polson, and Three Forks, plus 1 other city.
What other race distances are available in Montana?
Beyond half marathon, Montana races cover a wide range of distances. Montana also has 5Ks, 10Ks, and marathons for running races. Additionally, Endurance Grid's Race Calendar also covers other sports, with road cycling, gravel, HYROX, mountain bike, rucking, running, swimming, trail running, triathlon, and ultra races of various distances.