Idaho Running Races

98 upcoming races across Idaho in the next 12 months, from local 5Ks to marathons and ultras. Updated nightly. Want filters, maps, and radius search? Open Idaho in the Race Finder.

By distance: Marathons · Half Marathons · 5K Races · 10K Races · Ultras

By city: Boise · Coeur d'Alene

Racing in Idaho: what the calendar looks like

There are 98 races on the Idaho calendar over the next 12 months, which works out to roughly 2 every weekend. September is the busiest month with 30 races; February is the quietest with 1. The busiest places to race are Boise (29), Coeur d'Alene (6), McCall (5).

Of those, 52 offer a 5K, 23 offer a 10K and 23 offer a 1 Mile. The next marathon is Malad Valley Marathon on September 12 in Malad City. The next half marathon is Malad Valley Marathon on September 12.

By race count Idaho ranks 43rd of 51 states.

Races by month

September 2026

October 2026

November 2026

December 2026

January 2027

February 2027

March 2027

April 2027

May 2027

June 2027

July 2027

August 2027

Planning a race

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