Idaho
Idaho Triathlon Calendar 2025-2026
Explore the best triathlons in Idaho for 2025-2026! Our updated list features 13 exciting races across the region. Find your next race in Idaho below and join the running community at these great events!
June 2025
The Treasure Valley Triathlon is a community-focused event taking place in Boise, Idaho, featuring a circuit-style triathlon on a closed course along the scenic Boise River. Scheduled for June 7, 2025..
The Blackfoot Kicker Triathlon is set to take place on June 21, 2025, at Jensen Grove in Blackfoot, Idaho. Organized by Tri Peaks Epic Events, this triathlon features various categories, including spr..
The IRONMAN 70.3 Coeur d'Alene is a premier triathlon event set in the picturesque town of Coeur d'Alene, Idaho. Athletes will tackle a 1.2-mile swim in the pristine Lake Coeur d'Alene, followed by a..
The Mary Lou Triathlon, taking place at Deyo Reservoir near Weippe, Idaho, features a challenging course that includes a 300-yard swim, a 13-mile mountain bike ride, and a 2.2-mile run around the rese..
July 2025
The Hayden Sprint Triathlon is set to take place on July 12, 2025, at Honeysuckle Beach in Hayden, Idaho. This event features multiple categories, including individual participation, relay teams, and..
The Rigby Lake Rumble Triathlon is set to take place on July 12, 2025, at Jefferson County Lake in Rigby, Idaho. Organized by Tri Peaks Epic Events, this triathlon features various categories, includi..
The IRONMAN 70.3 Boise is an exciting triathlon event set against the stunning backdrop of Boise, Idaho. Participants will tackle a challenging course that includes a swim in the Boise River, a bike r..
August 2025
The Coeur d'Alene Triathlon, known as "The Scenic Challenge," is a celebrated race in the Pacific Northwest held annually at City Park & Beach in Coeur d'Alene, Idaho. Marking its 41st year in 2025, t..
The Great Snake River Triathlon is set to take place on August 16, 2025, at Snake River Landing in Idaho Falls, Idaho. Organized by TRI PEAKS EPIC EVENTS, this triathlon features various categories, i..
The Priest Lake Triathlon is an exciting multi-sport event scheduled for August 23, 2025, in Priest Lake, Idaho. Participants can choose from various race formats, including the Priest Lake Sprint ROA..
September 2025
The Bear Lake Brawl Triathlon is a multi-sport event taking place at Bear Lake State Park in Idaho, known for its stunning blue waters. Scheduled for September 13, 2025, the triathlon features various..
The Rexburg Rush Triathlon at Wakeside Lake is an exciting multi-sport event scheduled for September 20, 2025, in Rexburg, Idaho. Organized by Tri Peaks Epic Events, the triathlon features various cat..
October 2025
The Idaho High Mountain Triathlon is a challenging event set in the scenic eastern Valley County region of Idaho. Participants will start at Warm Lake and finish in Yellow Pine, crossing a summit at 7..
