Idaho
Idaho Triathlon Calendar 2026-2027
Monthly updates for Idaho
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Explore the best triathlons in Idaho for 2026-2027! Our updated list features 17 exciting races across the region. Find your next race in Idaho below and join the running community at these great events!
June 2026
A circuit-style triathlon along the river in Boise on June 6, 2026, featuring Super Sprint, Sprint, and Olympic distances plus relays, adaptive categories, and a youth Splash and Dash. The USAT-sanctioned event supports adaptive sports and limits ent..
A multisport event in Blackfoot, Idaho on June 13, 2026 offering sprint and Olympic triathlons, duathlons, 5k and 10k runs, plus a sprint team category.
A community triathlon at Deyo Reservoir near Weippe, Idaho, featuring a 300 yard swim, about 13 mile mountain bike course, and a 2.2 mile trail run. Single transition, limited parking, and nearby camping.
July 2026
Experience a community focused triathlon at Honeysuckle Beach in Hayden. This non profit event features individual and relay options along with inclusive categories like Team Hoyt and Athena divisions.
A multi-format event at Jefferson County Lake in Rigby, Idaho on July 11, 2026, featuring sprint and Olympic triathlon distances, duathlon races, 5K and 10K runs, and a two-person sprint team category.
August 2026
Sprint triathlon and duathlon races at Q’emiln Park in August 2026 with individual and team options, chip timing, packet pick up windows, post-race snacks and an awards ceremony.
A lakefront triathlon and duathlon in Coeur d'Alene with Olympic and sprint distances, a bay swim to the city beach, lakeside bike routes, and a run along the Centennial Trail finishing at Triathlon Village.
A multi-discipline event at Snake River Landing in Idaho Falls on August 15, 2026, featuring sprint and Olympic triathlon distances, youth divisions, duathlon options and a 5K run.
A late summer multi sport event at Wilson Lake Reservoir in Hazleton, Idaho offering triathlon, duathlon, and 5K and 10K run options with chip timing, live music, and marked courses.
Sprint road bike and off road triathlons plus road and off road team relays take place at Hill's Resort in Priest Lake on 08/30/2026, with distinct fees and a specified registration window.
September 2026
A paddle-and-run event at Higgens Point, Coeur D Alene on September 12, 2026, with short and long courses offered for individuals and teams. Event proceeds benefit Companions Animal Shelter.
A fall sprint triathlon and sprint duathlon in Moscow, Idaho featuring a 500 yard pool swim, a 15K bike course, and a 5K run. Team and individual entries are available and proceeds benefit local community organizations.
Experience the mountain scenery of Bear Lake State Park at this multi distance triathlon event. Choose from Sprint, Olympic, or Half distances and enjoy the blue waters of the Caribbean of the Rockies.
Rexburg RUSH Triathlon takes place at Wakeside Lake in Rexburg, Idaho on September 19, 2026. The event includes sprint and Olympic triathlon distances, duathlon options, 5K and 10K runs, and a sprint team division.
October 2026
A point to point triathlon in eastern Valley County Idaho from Warm Lake to Yellow Pine via a 7300 foot summit. Multiple divisions include able bodied, adaptive, and relay formats with awards and an after party in Yellow Pine.