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Marathons Found In Idaho

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Marathons in Idaho 2025 - 2026

The most comprehensive list of Marathons in and near Idaho in 2025 - 2026. Find your perfect race!

Haven't found what you're looking for? Check out our wide range of Marathon events in nearby states:

You can also browse our comprehensive list of Marathons in the USA to find your next great challenge, or take a look at our calendar of half marathon races.

Race Calendar: Marathons Found In Idaho

🚀Boosted

Hayden Lake Marathon, Half, Quarter, & 5K

Hayden Lake, Idaho
11 Oct 25
$22.20 - $122.90
🚀Boosted

Idaho Running Day

Boise, Idaho
18 Oct 25
$43.40 - $91.10
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Boise Galloway Run Walk Run

Boise, Idaho
01 Feb 25 - 15 Nov 25
$107.00 - $279.25

25th Annual Pocatello Marathon

Pocatello, Idaho
30 Aug 25
Free - $85.80

Priest Lake Marathon

Priest Lake, Idaho
13 Sep 25
$37.50 - $90.60

City of Trees Marathon

Boise, Idaho
11 Oct 25
$70.27 - $133.75

Hayden Lake Marathon, Half, Quarter, & 5K

Hayden Lake, Idaho
11 Oct 25
$22.20 - $122.90

Idaho Running Day

Boise, Idaho
18 Oct 25
$43.40 - $91.10
Showing 1-6 of 6 results