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Half Marathons Found In Idaho in May

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Half Marathons in Idaho in May 2025

Find A Race is the US's favourite event listings site. Check out our list of May 2025 Half Marathons in Idaho below.

Race Calendar: Half Marathons Found In May

🚀Boosted

CDA Marathon, Half, 10K, & 5K

Coeur d'Alene, Idaho
24 May 25 - 31 May 25
$27.50 - $138.80
🚀Boosted

Boise Galloway Run/Walk/Run

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

Eagle, Idaho
03 May 25
$91.43 - $149.62

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

Boise, Idaho
17 May 25
$44.30 - $108.35

Duck Donuthon

Ammon, Idaho
17 May 25
$10.54 - $54.00

CDA Marathon, Half, 10K, & 5K

Coeur d'Alene, Idaho
24 May 25 - 31 May 25
$27.50 - $138.80

Redfish Lake Lodge Memorial Weekend Run

Stanley, Idaho
24 May 25
Free - $80.50

Boise Galloway Run/Walk/Run

Boise, Idaho
01 Feb 25 - 15 Nov 25
$107.00 - $279.25
Showing 1-6 of 6 results