Upcoming Half Marathons in Idaho

Endurance Grid lists sixteen half marathons in Idaho, from September 2026 to June 2027 across 8 cities.

16
Races
8
Cities
9
Sports

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Running races in Idaho

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Frequently Asked Questions

How many half marathons are in Idaho?
Endurance Grid's Race Calendar lists 16 upcoming half marathons in Idaho, in 8 cities, from September 2026 to June 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 Idaho cities host half marathons?
Half marathons in Idaho are held in Boise, Coeur d'Alene, Cambridge, Hayden Lake, Malad City, Priest Lake, Rexburg, and Sandpoint.
What other race distances are available in Idaho?
Beyond half marathon, Idaho races cover a wide range of distances. Idaho also has 5Ks, 10Ks, and marathons for running races. Additionally, Endurance Grid's Race Calendar also covers other sports, with adventure, aquabike, road cycling, duathlon, running, swimming, swimrun, trail running, and triathlon races of various distances.