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Idaho Half Marathons

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Idaho Half Marathons 2023 & 2024

Official Walker Friendly Half Marathons in Idaho

18:32 mile / 4 Hour Minimum course time limit= (W)

Symbol only applies to half marathon events

Does NOT meet the Walker Friendly 4 hour minimum (18:32 / mi) = Not Walker Friendly (NWF) 

Trail Half Marathons 21k (T)

Idaho Half Marathons January 2023

No January Half Marathons in Idaho in 2023 at this time

Idaho Half Marathons February 2023

No February Half Marathons in Idaho in 2023 at this time

Idaho Half Marathons March 2023

Sat Mar 6, 2021

Sat Mar 13, 2021

Pullman, ID

Caldwell, ID

Idaho Half Marathons April 2023

Sat Apr 15, 2023

Boise, ID

Idaho Half Marathons May 2023

Sat May 13, 2023


Sat May 28, 2022


Sun May 28, 2023 (W)

Boise, ID


Stanley, ID


Coeur d'Alene, ID

Idaho Half Marathons June 2023

Sat Jun 3, 2023

Sat Jun 4, 2022

Thu Jun 8, 2023 (W)

Sat Jun 12, 2021

Rexburg, ID

Shoshone Falls, ID

Garden City, ID

Idaho Falls, ID

Idaho Half Marathons July 2023

Sat July 15, 2023

Sat July 30, 2022 (W)

Ashton, ID


Idaho Falls, ID

Idaho Half Marathons August 2023

No Idaho Half Marathons in August at this Time

Idaho Half Marathons September 2023

Sat Sep 2, 2023

Sat Sep 5, 2021

Wed Sep 27, 2023

Thu Sep 28, 2023

Sat Sep 30, 2023

Pocatello, ID

Boise, ID

Lewiston, ID

Lewiston, ID

Priest Lake, ID

Idaho Half Marathons October 2023

Sat Oct 8, 2022

Sun Oct 9, 2022

Sat Oct 14, 2023

Sat Oct 15, 2022


Sun Oct 23, 2022

Cambridge, ID

Moscow, ID

Hayden, ID

Lewiston, ID

Boise, ID

Idaho Half Marathons November 2023

Sat Nov 5, 2022

Boise ID

Idaho Half Marathons December 2023

No December 2023 Half Marathons in Idaho at this time

Idaho Half Marathon Calendar event dates in dark grey are delinquent dates not updated by the race organizer yet. We strive to have dates 1 year out for Idaho half marathons, but have no control of when they set, announce or update their dates.

Idaho Half Marathons

The Idaho Half Marathon Calendar is a complete simplistic listing of Idaho half marathons. Currently the Idaho half marathon schedule has 2023 Idaho half marathons and 2024 Idaho half marathons as they roll in.  Idaho half marathons 2023 & Idaho half marathons 2024 also identify trail half marathons and walker friendly half marathons by a (T) symbol and a (W) symbol.  The (T) means it is a TRUE trail half marathon 21k (off road, switchbacks, etc) and a (W) means it is truly "official walker friendly" requiring the half marathon to allow a minimum of 18:32 mile pace, minimum 4 hours for participants to finish the 13.1 mile distance.


The Idaho half marathon calendar features a complete listing of Boise half marathons, Idaho Falls half marathons, Nampa half marathons, Meridian half marathons, Pocatello half marathons, Caldwell half marathons, Coeur d'Alene half marathons, Twin Falls half marathons, Lewiston half marathons, and many more 1/2 marathons in ID.

Idaho half marathons 2023

Idaho half marathons 2024

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