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. Plan by month on our marathon calendar or filter by country and region.

Boise, Idaho, United States

Famous Idaho Potato Marathon

The Famous Idaho Potato Marathon draws approximately 1,600 finishers each May on an urban and greenbelt road in Boise, United States. The event's branding is playful, but the course is a serious spring marathon with a loyal regional following. The course passes the Boise River Greenbelt, city parklands, and tree-lined streets with foothill views. The Boise River Greenbelt, city parklands, and tree-lined streets with foothill views carry May's playful but serious spring marathon through Idaho's capital.

Next race: Sunday, 2 May 2027

Nearby Marathons

Other races closest to Idaho.

Missoula, Montana, United 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. Ranch land, the Clark Fork valley, and a fast final approach into Missoula's core give June's point-to-point race an outsized reputation on quick valley roads.

Next race: Sunday, 6 June 2027

Ogden, Utah, United 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

Salt Lake City, Utah, United 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 Brighton Ski Resort (2,590 m) and descending Big Cottonwood Canyon to Salt Lake City, the course drops roughly 1,200 m on 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, 19 September 2026

Salt Lake City, Utah, United 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: Sunday, 4 April 2027

Provo, Utah, United States· 531 km away

Utah Valley Marathon

The Utah Valley Marathon draws approximately 2,200 finishers each June on a canyon point-to-point road in Provo, United States. Its long gentle descent makes it a common target for personal bests and Boston qualifying attempts. The route passes Deer Creek-adjacent canyon roads, the Provo River corridor, and broad urban streets near BYU. The route is net downhill overall.

Next race: Sunday, 6 June 2027