Montana Running Races

100 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: Missoula · Bozeman · Billings

Racing in Montana: what the calendar looks like

There are 100 races on the Montana calendar over the next 12 months, which works out to roughly 2 per week. Among complete calendar months, November 2026 has the most listed races (16); May 2027 has the fewest (2). The busiest places to race are Missoula (12), Bozeman (8), Billings (6).

Of those, 60 offer a 5K, 28 offer a 10K and 28 offer a 1 Mile. The next marathon is 44th OSCR on January 30 in Seeley Lake. The next half marathon is Just for the Helena of It on October 18.

By race count Montana ranks 39th of 51 states and DC.

Races by month

October 2026

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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