The Great Snake River Triathlon

The GREAT SNAKE RIVER MULTI-SPORT EVENT returns on Saturday, August 15th, 2026, at Snake River Landing in downtown Idaho Falls—and it continues to be the largest and most iconic event produced by Tri Peaks Epic Events each summer. Formerly known as the Great Snake River Triathlon, this expanded multi-sport festival now offers multiple ways to race, making it accessible for first-time participants, exciting for seasoned athletes, and unforgettable for spectators. The Famous Down-River Swim This race is known for one thing above all else: A downstream swim in the Snake River Triathletes love it because the natural river current gives you a boost, making this swim: Faster Smoother Less intimidating for first-time triathletes It’s one of the most unique and talked-about swim courses in the region—and a favorite year after year. At all Tri Peaks Epic Events, you can expect a clearly marked course, friendly volunteers, and an encouraging race-day atmosphere that helps you feel confident from start to finish. New to Racing? This Event Is for You You don’t have to be a veteran athlete to be part of this event. With multiple race options, you can choose your comfort level and still be part of the excitement: Sprint Triathlon – A great first triathlon with a confidence-boosting swim Olympic Triathlon – A classic distance on a fast, exciting course Sprint Duathlon – Run–Bike–Run (no swim required) Olympic Duathlon – A longer endurance challenge—Run-Bike-Run (no swim required) 5K Run – Ideal for beginners, walkers, and community participants 10K Run – A faster, competitive run option Whether you’re racing for a podium spot or just aiming to finish strong, you’ll find your place here. A True Race-Day Experience As the flagship event of the Tri Peaks Epic Events season, the Great Snake River Multi-Sport Event delivers: A high-energy race atmosphere Very scenic race along the beautiful Snake River and enthusiastic spectators Professional course support and volunteers A celebration-style finish in the heart of Idaho Falls This is the race that brings the endurance community together.