Upcoming Marathons in Idaho

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

8
Races
6
Cities
8
Sports

Running races in Idaho

Your next race is out there. Go find it.

All Idaho Running Races

Frequently Asked Questions

How many marathons are in Idaho?
Endurance Grid's Race Calendar lists 8 upcoming marathons in Idaho, in 6 cities, from October 2026 to September 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, Sandpoint, Coeur d'Alene, Malad City, Pocatello, and Priest Lake.
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, road cycling, duathlon, running, swimming, trail running, triathlon, and ultra races of various distances.