Idaho Triathlon Calendar 2025-2026

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Explore the best triathlons in Idaho for 2025-2026! Our updated list features 66 exciting races across the region. Find your next race in Idaho below and join the running community at these great events!

September 2026
Sep
12
Saturday

Jen McKenna Paddle and Run

Multisport
Sep
19
Saturday

Priest Lake Marathon

10 km Half Marathon Marathon 50 km
Sep
19
Saturday

Bear Lake Brawl Triathlon

Triathlon
Sep
19
Saturday

Walk, Run, Read for Literacy

5 km
Sep
26
Saturday

Top of Tamarack

15 mi
October 2026
Oct
10
Saturday

Blackfoot Tater Trot

5 km 10 km
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