Marathons in Idaho
Idaho has one marathon in our database in United States, centred on Boise.
Famous Idaho Potato Marathon typically draws around 1,600 finishers.
Browse the races below for course maps, elevation profiles, typical weather, and practical race-day detail to help you choose your next start line.
Close to this race
Nearby Marathons
Other races closest to Idaho.
MissoulaMontanaUnited States· 401 km away
Missoula Marathon
The Missoula Marathon draws approximately 2,200 finishers each June on a point-to-point valley road in Missoula, United States. Its small-city atmosphere and fast terrain give it an outsized reputation among experienced marathoners. The route passes ranch land, the Clark Fork valley, and a fast final approach into Missoula's core. Gentle undulations are the only breaks on an otherwise flat profile.
Next race: Sunday, 27 June 2027
OgdenUtahUnited States· 437 km away
Ogden Marathon
The Ogden Marathon draws approximately 2,500 finishers each May on a canyon point-to-point road in Ogden, United States. The canyon start gives the event one of the most scenic road descents on the U.S. spring calendar. The course passes steep canyon walls, pine-lined descents, and the Union Station area in the city finish. The route is net downhill overall.
Next race: Sunday, 2 May 2027
Jackson HoleWyomingUnited States· 440 km away
Jackson Hole Marathon
The Jackson Hole Marathon draws approximately 248 finishers each September on a scenic road in Jackson Hole, United States. Wyoming's largest marathon by participation finishes at the base of the Tetons on a certified Boston-qualifier course. The course tours Jackson Hole valley roads, community pathways, Wilson, and Grand Teton views. Rolling terrain with moderate climbs shapes the middle miles.
Next race: Sunday, 5 September 2027
CokevilleWyomingUnited States· 460 km away
Bear Lake Wyoming Marathon
The Bear Lake Wyoming Marathon draws approximately 41 finishers each August on a scenic road in Cokeville, United States. The Bear Lake Wyoming Marathon serves runners on the scenic Wyoming side of Bear Lake each August. The course tours Bear Lake basin roads with mountain and lake-country scenery on the Wyoming–Idaho border. Rolling terrain with moderate climbs shapes the middle miles.
Next race: Sunday, 1 August 2027
Salt Lake CityUtahUnited States· 476 km away
REVEL Big Cottonwood Marathon
The REVEL Big Cottonwood Marathon is a net-downhill speed course drawing approximately 2,500 finishers each September through Utah's Wasatch Mountains. Starting at Guardsman Pass and descending Big Cottonwood Canyon to Cottonwood High School in Murray, the course drops roughly 1,600 m on a steep scenic mountain highway. September's crisp alpine morning and the fast descent make it one of America's most popular personal-best marathons.
Next race: Saturday, 18 September 2027
Salt Lake CityUtahUnited States· 476 km away
Salt Lake City Marathon
The Salt Lake City Marathon draws approximately 1,500 finishers each April on an urban road in Salt Lake City, United States. Descending from the east bench gives the race a quick first half before the city grid settles the pace. The course passes This Is The Place Heritage Park, Liberty Park, and temple district streets with Wasatch views throughout. The route is net downhill overall.
Next race: Friday, 23 April 2027