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Half Marathons Found In Idaho in Fall

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Half Marathons in Idaho in Fall 2025

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

Race Calendar: Half Marathons Found In Fall

πŸš€Boosted

Hayden Lake Marathon

Hayden Lake, Idaho
11 Oct 25 - 19 Oct 25
$22.20 - $133.50
πŸš€Boosted

St. Luke's FitOne 5K/10K/Half Marathon

Boise, Idaho
20 Sep 25
$38.10 - $59.30
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Priest Lake Marathon

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

St. Luke's FitOne 5K/10K/Half Marathon

Boise, Idaho
20 Sep 25
$38.10 - $59.30

Falls2Falls 2025

Twin Falls, Idaho
27 Sep 25
$12.08 - $80.85

Rush Creek Stampede

Cambridge, Idaho
04 Oct 25
$40.00 - $55.00

City of Trees Marathon

Boise, Idaho
11 Oct 25
$49.11 - $112.59

Hayden Lake Marathon

Hayden Lake, Idaho
11 Oct 25 - 19 Oct 25
$22.20 - $133.50

Idaho Running Day

Boise, Idaho
18 Oct 25
$48.70 - $101.70

Halloween Hustle

Coeur d'Alene, Idaho
26 Oct 25
$22.20 - $117.60

Boise Half Marathon

Boise, Idaho
15 Nov 25
$64.98

Boise Galloway Run Walk Run

Boise, Idaho
01 Feb 25 - 15 Nov 25
$107.00 - $279.25
Showing 1-10 of 10 results