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 13 exciting races across the region. Find your next race in Idaho below and join the running community at these great events!
August 2026
The Post Falls Sprint Triathlon and Duathlon take place at Q'emiln Park along the Spokane River on August 2, 2026. Events feature a 0.3 mile swim, a 12 mile bike and out and back runs between Q'emiln Park and Falls Park.
Coeur d'Alene Triathlon, Duathlon and Scenic Sprint feature lake swims, lakeside bike routes and a Centennial Trail run finishing in Coeur d'Alene City Park.
A triathlon held in mid August at Snake River Landing in Idaho Falls, Idaho. The event is produced by TRI PEAKS EPIC EVENTS.
A paddle and run duathlon in Boise that combines paddling on Quinn's Pond with a run on the Boise Greenbelt. Individual and two-person relay entries are available and proceeds fund transportation for girls' outdoor programs.
Multi sport event at Wilson Lake Reservoir on August 29 2026 offering triathlon, duathlon and 5K and 10K run options with chip timing and live music.
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.
Sprint triathlon and duathlon in Moscow, Idaho featuring a 500 yard pool swim, a 9.3 mile bike out and back, and a 5K run with one hill.
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 is a lakeside triathlon at Wakeside Lake in Rexburg, Idaho, produced by Tri Peaks Epic Events. It is scheduled for September 2026 and has an aggregate rating of 5 from two reviews.
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.
June 2027
A circuit-style triathlon on June 5, 2027 at Esther Simplot Park in Boise featuring Super Sprint, Sprint, Olympic distances plus relay and adaptive categories. The USAT sanctioned event supports adaptive sports in southern Idaho.
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.