Upcoming Marathons in Idaho

Endurance Grid lists eight marathons in Idaho, from September 2026 to June 2027 across 6 cities.

8
Races
6
Cities
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Sports

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Running races in Idaho

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Frequently Asked Questions

How many marathons are in Idaho?
Endurance Grid's Race Calendar lists 8 upcoming marathons in Idaho, in 6 cities, from September 2026 to June 2027.
How long is a marathon?
A marathon is a running race where athletes run 26.2 miles long (42.2 kilometers) for time.
Which Idaho cities host marathons?
Marathons in Idaho are held in Boise, Coeur d'Alene, Hayden Lake, Malad City, Priest Lake, and Sandpoint.
What other race distances are available in Idaho?
Beyond marathon, Idaho races cover a wide range of distances. Idaho also has 5Ks, 10Ks, and half 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.