Idaho Half Marathons by Date • By City
Browse all 2023-2024 Idaho half marathons by month below. For each race, you’ll find course maps, elevation profiles, runner reviews, and how to sign up.
When you view a race, you’ll also find contact info if you’re having problems with your registration or need to contact the race directors.

October 2023
Sun Oct 8 | Moscow Mountain Madness 50k Half Marathon & 5M | Moscow ID |
Sat Oct 14 | City of Trees Marathon Half Marathon 10k & 5k | Boise ID |
Sat Oct 14 | Hayden Lake Marathon Half & Quarter Marathon | Hayden Lake ID |
Sun Oct 29 | Halloween Hustle Half Marathon 10k & 5k | Coeur d'Alene ID |
November 2023
Sat Nov 4 | Boise Half Marathon | Boise ID |
April 2024
Mon Apr 8 | Super Mom 5k 10k & Half Marathon | Idaho Falls ID |
Sat Apr 20 | Race to Robie Creek Half Marathon | Boise ID |
Sat Apr 27 | Spring Dash Half Marathon 10k & 5k | Coeur d'Alene ID |
May 2024
Sat May 4 | Boise River Marathon Half Marathon 10k & 5k | Boise ID |
Sat May 11 | Unega Mountain Dog Marathon and Half Marathon | Bellevue ID |
Sun May 26 | Coeur d'Alene Marathon Half Marathon 10k & 5k | Coeur d'Alene ID |
June 2024
Sat Jun 1 | Spirit of the Magic Valley Half Marathon 10k & 5k | Twin Falls ID |
Sat Jun 1 | Teton Dam Marathon Half Marathon 10k & 5k | Rexburg ID |
Thu Jun 6 | Bear Lake Trifecta – Idaho Marathon & Half Marathon | Saint Charles ID |
July 2024
Sat Jul 20 | Mesa Falls Marathon & Half Marathon | Ashton ID |
Sat Jul 27 | Idaho Falls Marathon Half Marathon & 5k | Idaho Falls ID |
August 2024
Sat Sep 2 | Pocatello Marathon Half Marathon 10K & 5K | Pocatello ID |
September 2024
TBD Sep | Idaho Running Day Marathon Half Marathon 10k & 5k | Boise ID |
TBD Sep | FitOne Half Marathon 10k & 5k | Boise ID |
TBD Sep | Legends Never Die Marathon & Half Marathon | Ketchum ID |
TBD Sep | Long Bridge Half Marathon | Sandpoint ID |
TBD Sep | Northwest Series Day 5 Marathon Half Marathon 10k & 5k | Lewiston ID |
TBD Sep | Northwest Series Day 6 Marathon Half Marathon 10k & 5k | Lewiston ID |
TBD Sep | Priest Lake 50k Marathon Half Marathon & 5k | Priest Lake ID |