Idaho Marathon Calendar 2025-2026

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Explore the best marathons in Idaho for 2025-2026! Our updated list features 9 exciting races across the region. Find your next race in Idaho below and join the running community at these great events!

July 2025
Jul
26
Saturday

Idaho Falls Marathon

5 km 13 mi 26 mi
August 2025
Aug
30
Saturday

Pocatello Marathon

5 km 10 km 13 mi 26 mi
Aug
30
Saturday

Idaho Triple Crown Marathon

13 mi 26 mi
September 2025
Sep
6
Saturday

Salmon Marathon

13 mi 26 mi
Sep
13
Saturday

Priest Lake Marathon

10 km 13 mi 26 mi 50 km
October 2025
Oct
11
Saturday

City of Trees Marathon

5 km 10 km 13 mi 26 mi
Oct
11
Saturday

Hayden Lake Marathon

5 km 6 mi 13 mi 26 mi
Oct
18
Saturday

Idaho Running Day

5 km 10 km 13 mi 26 mi
June 2026
Jun
6
Saturday

Teton Dam Marathon

5 km 10 km 13 mi 26 mi
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