Idaho Race Calendar

Idaho Half Marathons by Date • By City

Browse all 2020 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.

April 2020

Sat Apr 18 Race to Robie Creek Half Marathon Boise ID

May 2020

June 2020

July 2020

Sat Jul 25 Idaho Falls Marathon Half Marathon & 5K Idaho Falls ID

August 2020

September 2020

Sat Sep 5 Pocatello Marathon Half Marathon 10K & 5K Pocatello ID
Sat Sep 12 Riggins Salmon Run Half Marathon 10K & 5K Riggins ID
Sun Sep 13 Jack and Jill's Downhill Marathon & Half Marathon Boise ID
Sat Sep 19 Sun Valley Half Marathon Sun Valley ID
Sun Sep 20 Scenic Half Marathon & 10K Sandpoint ID
Sat Sep 26 FitOne Half Marathon 10K & 5K Boise ID

October 2019

November 2019

Sat Nov 2 Zeitgeist Half Marathon Boise ID

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