Idaho Marathon Calendar 2025-2026

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Explore the best marathons in Idaho for 2025-2026! Our updated list features 10 exciting races across the region. Find your next race in Idaho below and join the running community at these great events!

July 2025
Jul
19
Saturday

Mesa Falls Marathon

5 km 10 km 13 mi 26 mi
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

26 mi
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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