Idaho Half Marathons by Date • By City
Browse all 2023 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.
March 2023
| Sat Mar 11 | St. Patrick's Fun Run Half Marathon 5.5M & 3.5M | Hagerman ID |
April 2023
| Sat Apr 8 | Super Mom 5k 10k & Half Marathon | Idaho Falls ID |
| Sat Apr 15 | Race to Robie Creek Half Marathon | Boise ID |
| Sat Apr 22 | Boise River Marathon Half Marathon 10k & 5k | Boise ID |
| Sat Apr 29 | Falls2Falls Run Half Marathon 10k & 5k | Twin Falls ID |
| Sat Apr 29 | Spring Dash Half Marathon 10k & 5k | Coeur d'Alene ID |
May 2023
| Sat May 6 | Unega Mountain Dog Marathon and Half Marathon | Bellevue ID |
| Sat May 13 | Famous Idaho Potato Marathon Half Marathon 10k 5k & 1M | Boise ID |
| Sat May 27 | Redfish Lake Lodge Run Half Marathon 10k & 5k | Stanley ID |
| Sun May 28 | Coeur d'Alene Marathon Half Marathon 10k & 5k | Coeur d'Alene ID |
June 2023
| Sat Jun 3 | Spirit of the Magic Valley Half Marathon 10k & 5k | Twin Falls ID |
| Sat Jun 3 | Teton Dam Marathon Half Marathon 10k & 5k | Rexburg ID |
| Thu Jun 8 | Bear Lake Trifecta Marathon & Half Marathon – Idaho | St. Charles ID |
| Sat Jun 10 | Scenic River Classic Half Marathon 10k & 5k | Idaho Falls ID |
| Sun Jun 25 | Race the Wolf Marathon & Half Marathon | Sandport ID |
July 2023
| Sat Jul 15 | Mesa Falls Marathon & Half Marathon | Ashton ID |
September 2023
| Sat Sep 2 | Pocatello Marathon Half Marathon 10K & 5K | Pocatello ID |
| Sat Sep 16 | Idaho Running Day Marathon Half Marathon 10k & 5k | Boise ID |
| Sat Sep 23 | FitOne Half Marathon 10k & 5k | Boise ID |
| Wed Sep 27 | Northwest Series Day 5 Marathon Half Marathon 10k & 5k | Lewiston ID |
| Thu Sep 28 | Northwest Series Day 6 Marathon Half Marathon 10k & 5k | Lewiston ID |
| Sat Sep 30 | Priest Lake 50k Marathon Half Marathon & 5k | Priest Lake ID |
October 2023
| Sat Oct 7 | Legends Never Die Marathon & Half Marathon | Ketchum ID |
| Sat Oct 14 | Hayden Lake Marathon Half & Quarter Marathon | Hayden Lake ID |
| Sun Oct 15 | City of Trees Marathon Half Marathon 10k & 5k | Boise ID |
| Sun Oct 29 | Halloween Hustle Half Marathon 10k & 5k | Coeur d'Alene ID |
