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Idaho Marathon Races
Upcoming 26.2-mile races in Idaho. Compare dates, courses, and registration.
Marathon
Half Marathon
5K
10K
Idaho
Race List
October 10, 2026
City of Trees Marathon
Boise
October 10, 2026
Hayden Lake Marathon
Coeur d’Alene
May 2, 2027
Boise River Marathon
Boise
May 15, 2027
YMCA Famous Idaho Potato Marathon & Fun Runs
Boise
May 15, 2027
YMCA Famous Idaho Potato Marathon & Fun Runs
Boise
May 30, 2027
Coeur d’Alene Marathon
Coeur d’Alene
June 19, 2027
Race the Wolf
Sandpoint
July 24, 2027
Idaho Falls Marathon
Idaho Falls
September 4, 2027
Salmon Marathon and Half Marathon
Salmon
