Idaho Running Races

83 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

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Racing in Idaho: what the calendar looks like

There are 83 races on the Idaho calendar over the next 12 months, which works out to roughly 2 per week. Among complete calendar months, May 2027 has the most listed races (15); February 2027 has the fewest (1). The busiest places to race are Boise (25), Caldwell (5), Sandpoint (5).

Of those, 55 offer a 5K, 25 offer a 10K and 22 offer a Half Marathon. The next marathon is WICKED FAST MARATHON & HALF MARATHON IDAHO on May 1 in Kellogg. The next half marathon is Boise Half Marathon on November 14.

By race count Idaho ranks 41st of 51 states and DC.

Races by month

November 2026

December 2026

January 2027

February 2027

March 2027

April 2027

May 2027

June 2027

July 2027

August 2027

September 2027

October 2027

Planning a race

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