When is Idaho Falls Marathon?

Idaho Falls Marathon takes place on Jul 25, 2026. That's in 3 months.

Where is Idaho Falls Marathon located?

Idaho Falls Marathon is held in Idaho Falls, Idaho, United States.

What distances are available at Idaho Falls Marathon?

Idaho Falls Marathon offers the following distances: 26.2M, 13.1M, 5K.

What is the typical weather for Idaho Falls Marathon?

Based on historical data, you can expect temperatures between 51°F and 90°F on race day. There's approximately a 2% chance of precipitation.

Idaho Falls Marathon (5K-26.2M) - Jul 25, 2026 | Idaho Falls, ID

Embark on an unforgettable running experience at the Idaho Falls Marathon on July 25, 2026, in scenic Idaho Falls, ID. Offering a full marathon (26.2M), half marathon (13.1M), and a 5K, this event caters to a range of abilities, inviting runners to explore the picturesque landscapes of Eastern Idaho's Upper Snake River Valley. Known for its welcoming atmosphere and recent revitalizations under new race leadership, the Idaho Falls Marathon promises a community-focused event with a flat and fast course designed for enjoyment and strong finishes.

All three races conveniently start and finish at Snake River Landing, eliminating the need for bus transportation and offering easy access to parking and nearby lodging. Marathoners will enjoy a diverse course that guides them through beautiful southeast Idaho farm country and historic New Sweden during the first half, before returning to the start and continuing clockwise along the scenic Snake River Greenbelt. Half marathon participants will traverse the engaging Snake River Greenbelt route, while the 5K offers a pleasant run around the Snake River Landing area. Runners can expect aid stations roughly every three miles, stocked with water and GU gels, ensuring proper hydration and fueling throughout the race. With typical race day conditions seeing highs around 90F and lows around 51F and a minimal 2% chance of precipitation, the early start times are strategically planned to help runners avoid the heat. The city's elevation, over 4,000 feet, also adds a unique challenge and makes it a good training ground for high-altitude running.

This Boston Qualifier race has garnered positive attention for its improvements, offering a fun environment and a well-organized event that emphasizes community engagement. Participants will appreciate the stunning views of rolling rural hills and distant snow-capped mountains, along with the friendly support from volunteers. Beyond the personal achievement, the Idaho Falls Marathon is proud to partner with Coming Home Inc., supporting local veterans and adding a meaningful dimension to your race experience.