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Idaho Triathlon Calendar 2025-2026

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Explore the best triathlons in Idaho for 2025-2026! Our updated list features 6 exciting races across the region. Find your next race in Idaho below and join the running community at these great events!

June 2026
Jun
6
Saturday

Treasure Valley Triathlon

Triathlon
Jun
21
Sunday

Ironman 70.3 Coeur d'Alene

Triathlon
July 2026
Jul
25
Saturday

Ironman 70.3 Boise

Triathlon
August 2026
Aug
8
Saturday

Coeur d'Alene Triathlon

Triathlon
Aug
30
Sunday

Priest Lake Triathlon

Triathlon
September 2026
Sep
12
Saturday

Jen McKenna Paddle and Run

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