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, on June 7, 2025. This circuit-style triathlon features a closed course along the scenic Boise River, making it..
The Blackfoot Kicker Triathlon is set to take place at Jensen Grove in Blackfoot, Idaho, on June 21, 2025. 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 a dynamic sporting event scheduled for July 12, 2025, in Hayden, Idaho. Participants can engage in various categories, including individual races, relay teams, and speci..
The Rigby Lake Rumble Triathlon is set to take place at Jefferson County Lake in Rigby, Idaho, on July 12, 2025. Organized by Tri Peaks Epic Events, this triathlon features various categories, includi..
The IRONMAN 70.3 Boise is an exciting triathlon event set in the picturesque city of Boise, Idaho. Athletes will experience a challenging course that includes a swim in the scenic Boise River, a bike..
August 2025
The Coeur d'Alene Triathlon, taking place on August 9, 2025, is a scenic and challenging event held in the picturesque Pacific Northwest. Celebrating its 41st year, the triathlon features an Olympic d..
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 taking place in Priest Lake, Idaho. Scheduled for August 23, 2025, it features various race formats, including the Priest Lake Sprint ROAD BI..
September 2025
The Bear Lake Brawl Triathlon is a multi-sport event taking place in St. Charles, Idaho, featuring a variety of race formats to accommodate different skill levels. Participants can choose from events..
The Idaho High Mountain Triathlon is a challenging event set in the scenic eastern Valley County region of Idaho, featuring a course that begins at Warm Lake and ends in Yellow Pine, crossing a summit..
The Rexburg Rush Triathlon will take place at Wakeside Lake in Rexburg, Idaho, on September 20, 2025. Organized by Tri Peaks Epic Events, this triathlon features various categories, including sprint a..
