Montana Running Races

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

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

By city: Billings · Missoula · Bozeman · Helena

Racing in Montana: what the calendar looks like

There are 121 races on the Montana calendar over the next 12 months, which works out to roughly 2 every weekend. September is the busiest month with 46 races; January is the quietest with 1. The busiest places to race are Billings (13), Missoula (13), Bozeman (11).

Of those, 69 offer a 5K, 33 offer a 1 Mile and 31 offer a 10K. The next marathon is AIDSPIRIT USA Marathon on September 6 in Harlowton. The next half marathon is AIDSPIRIT USA Marathon on September 6.

By race count Montana ranks 40th 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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