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Half Marathons Found In Idaho in May

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Half Marathons in Idaho in May 2026

Find A Race is the US's favourite event listings site. Check out our list of May 2026 Half Marathons in Idaho below.

Race Calendar: Half Marathons Found In May

🚀Boosted

CDA Marathon

Coeur d'Alene, Idaho
16 May 26 - 31 May 26
Free - $96.40
🚀Boosted

Boise River Marathon

Eagle, Idaho
02 May 26
$38.53 - $64.98
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Boise River Marathon

Eagle, Idaho
02 May 26
$38.53 - $64.98

Long Bridge Half-Marathon

Sandpoint, Idaho
09 May 26
$27.50 - $53.99

CDA Marathon

Coeur d'Alene, Idaho
16 May 26 - 31 May 26
Free - $96.40

YMCA Famous Idaho Potato Marathon & Fun Runs Presented by Idaho Potato Commission

Boise, Idaho
16 May 26
$38.96 - $97.68
Showing 1-4 of 4 results