Idaho Falls Marathon

JUL
25
2026
Run along the scenic Snake River at the Idaho Falls Marathon weekend, with marathon, half marathon, and 5 km options starting and finishing at Snake River Landing. Enjoy a friendly community vibe and a post race celebration.
Sat 25 Jul 2026
26 miles 13 miles 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

Event overview

The Idaho Falls Marathon is an annual road-racing event in Idaho Falls, Idaho. The organizing body is a 501(c)(3) nonprofit foundation and the event is now under new ownership and a local race staff. The event offers three race categories: 26.2 miles, 13.1 miles, and 5 km. The race is USATF certified (certificate id 4098) and includes sponsors and local partners. The event traditionally includes a post-race gathering for participants.

Courses and logistics

  • 26.2 miles
  • 13.1 miles
  • 5 km

All three races start and finish at Snake River Landing. The marathon runs its first half west through southeast Idaho farm country and back through historic New Sweden, then returns to the start to continue clockwise around the Snake River Greenbelt for the second half. The half marathon follows the clockwise route around the Snake River Greenbelt and covers the second half of the full marathon course. The 5K course stays close to the Snake River Landing area and is to be determined.

Race-day provisions described by the organizers include aid stations, medical support, and participant race packets that contain a bib and timing chip. The event provides course maps and travel and lodging information for visitors. The listed venue address is 955 Pier View Dr, Idaho Falls, ID 83402. Visit the organization's website for the most recent information.

26 mi
Marathon
13 mi
Half Marathon
5 km

Events nearby