2024-2025 Idaho Half Marathon Race Calendar

Idaho Half Marathons by Date

Browse all Idaho half marathons in 2024 and 2025 by month and by city below.

For each race, you’ll find the history of the half marathon and the course, the most recent year’s course maps, elevation profiles, runner reviews, pricing, and how to sign up. When you view a race, you might also find contact info if you’re having problems with your registration or need to contact the race directors.

We dedicated dozens of hours every month searching for races to include in the Idaho half marathons calendar.

If you happen to see any half marathon not included, contact us at info@halfmarathons.net to submit your race.

Looking for the best Idaho half marathons for you? Check beneath the Idaho half marathon calendar for answers to frequently asked questions.

Upcoming 2024 Idaho Half Marathons

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

June 2024

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

September 2024

October 2024

November 2024

TBD Nov 2024 Boise Half Marathon Boise ID
 Sawtooth Range, Idaho, USA home to Idaho half marathons

Frequently Asked Questions About Idaho Half Marathons

What are the most popular Idaho half marathons?

The Coeur d’Alene Half Marathon is one of Idaho’s most popular half marathons with just over 2,000 finishers.

What are the best Idaho half marathons for beginners in 2024?

We recommend the Coeur d’Alene Half Marathon, the Bear Lake Half Marathon, and the Mesa Falls Half Marathon.

We like the Coeur d’Alene for its crowds and flat, lakeside course.

We like the Bear Lake Half Marathon in St. Charles as the course actually crosses into three different states: Idaho, Wyoming, and Utah. An amazing race particularly if you’re trying to cross off racing in all 50 states.

The Mesa Falls Half Marathon in Ashton frequently comes up as one of the most scenic with a course along the Warm River.

What’s the best month to run a half marathon in Idaho?

September is the most popular month to run a half marathon in Idaho.

What are the most popular cities to run Idaho half marathons?

Boise is the most popular city to host and run a half marathon in Idaho.