Idaho
Idaho Triathlon Calendar 2026-2027
Monthly updates for Idaho
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Idaho for 2026-2027! Our updated list features 10 exciting races across the region. Find your next race in Idaho below and join the running community at these great events!
June 2027
Circuit style USAT sanctioned triathlon at Esther Simplot Park in Boise featuring Super Sprint, Sprint, Olympic, relay, adaptive and youth Splash and Dash events.
A triathlon at Deyo Reservoir near Weippe, Idaho on June 13, 2027 with a 300 yard swim, about 13 miles of mountain biking and a 2.2 mile run around the reservoir. Single transition area, limited parking and camping available.
A half-distance triathlon in Coeur d'Alene featuring a Lake Coeur d'Alene swim, a rolling bike course and a lakeside run with World Championship qualification.
July 2027
Sprint triathlon at Honeysuckle Beach in Hayden, Idaho with individual, Athena, Clydesdale, relay and Team Hoyt entry options; proceeds support the local community.
IRONMAN 70.3 Boise on July 24, 2027 combines a swim in local waters, a hilly bike through the foothills and a flat run along the Boise River greenbelt.
Monthly updates for Idaho
Get new running races (and updates) in your inbox every month.
Multiple races around Lake Coeur d'Alene on July 31, 2027, with a deep water swim start, lake road bike routes and a riverside 10k finish in City Park.
August 2027
Sprint off road triathlon at Hill's Resort featuring a 395 m swim, 11 mile mountain bike on forest roads, and a 5 km run along Priest Lake.
September 2027
Two-day endurance event along the full 73.2 mile Trail of the Coeur d’Alenes from Plummer to Mullen with solo, relay, bike and duathlon options plus an expo.
A paddle and run at Higgens Point in Coeur D Alene offering individual and team short and long courses with paddle-run stages and proceeds benefiting Companions Animal Shelter.
October 2027