Idaho Marathons

Complete list of marathons happening in Idaho in 2025 with dates, locations, and registration information.

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Boise River Marathon

Boise, Idaho

May 3, 2025

Website

Famous Idaho Potato Marathon

Boise, Idaho

May 17, 2025

Website

Coeur d'Alene Marathon

Coeur d'Alene, Idaho

May 25, 2025

Website

Teton Dam Marathon

Rexburg, Idaho

June 7, 2025

Website

Boise Marathon

Boise, Idaho

June 21, 2025

Website

Dirty Dog Trail Marathon

Boise, Idaho

June 28, 2025

Mesa Falls Marathon

Ashton, Idaho

July 19, 2025

Website

Idaho Falls Marathon

Idaho Falls, Idaho

July 26, 2025

Website

Pocatello Marathon

Pocatello, Idaho

August 30, 2025

Website

Priest Lake Marathon

Priest Lake, Idaho

September 13, 2025

Website

Hayden Lake Marathon

Hayden, Idaho

October 10, 2025

Website

City of Trees Marathon

Boise, Idaho

October 11, 2025

Website

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