Course
The course follows the Boise River Greenbelt, a flat paved multi-use path, running through a rocky canyon section and into an urban setting. Aid stations sit roughly every two miles with water, electrolyte drink and gels: twelve for the marathon, six for the half, two for the 10K and one for the 5K. Detailed course maps are not yet posted.
Key dates
- !RegistrationOpen now
- ★Race daySun 2 May 2027
About
The Boise River Marathon offers a marathon, half marathon, 10K and 5K along the Boise River Greenbelt in Idaho's Treasure Valley. The flat, paved course follows the river through a canyon section and into an urban setting, with aid stations spaced roughly every two miles.
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Long Bridge Half Marathon
Runs the historic Long Bridge over Lake Pend Oreille
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Boise Greenbelt Relays
Relay teams circle the full 45-mile Boise River Greenbelt
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Rivaura Rosé River Run/Walk
Starts and finishes among Rivaura's vineyard rows
A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.