0003
Half Marathons Found In Idaho in September
View all ↓Half Marathons in Idaho in September 2025
Find A Race is the US's favourite event listings site. Check out our list of September 2025 Half Marathons in Idaho below.
Race Calendar: Half Marathons Found In September
🚀Boosted
Boise Galloway Run/Walk/Run
Boise, Idaho
01 Feb 25 - 15 Nov 25
$107.00 - $279.25
🚀Boosted
St. Luke's FitOne 5K/10K/Half Marathon
Boise, Idaho
20 Sep 25
$22.20
Feature your event at the top of the results
Falls2Falls 2025
Twin Falls, Idaho
27 Sep 25
$12.08 - $70.27
Boise Galloway Run/Walk/Run
Boise, Idaho
01 Feb 25 - 15 Nov 25
$107.00 - $279.25
St. Luke's FitOne 5K/10K/Half Marathon
Boise, Idaho
20 Sep 25
$22.20
Showing 1-3 of 3 results