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Half marathons in Montana

2026 and 2027 race calendar. 16 upcoming, updated daily.

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Missoula11Bozeman8Ennis7Billings5Butte5Seeley Lake5Whitefish5Kalispell4Livingston4Big Sky3Great Falls3Helena3Plains3Dillon2Three Forks2West Yellowstone2Anaconda1Belgrade1Bigfork1Couer d'Alene1Deer Lodge1Fort Peck1Glasgow1Glendive1
All 38 cities and towns
Missoula11Bozeman8Ennis7Billings5Butte5Seeley Lake5Whitefish5Kalispell4Livingston4Big Sky3Great Falls3Helena3Plains3Dillon2Three Forks2West Yellowstone2Anaconda1Belgrade1Bigfork1Couer d'Alene1Deer Lodge1Fort Peck1Glasgow1Glendive1Greenough1Havre1Lakeside1Laurel1Libby1Neihart1Polebridge1Polson1Pray1Sidney1Sula1Taft1Thompson Falls1Twin Bridges to Virginia City1
16 upcoming
Sport
AllRunning66Trail12Cycling6Triathlon6Other4
Distance
Any5K5410K24Half marathon16Marathon950K7Ultra3Sprint1Olympic1
January 2027
February 2027
March 2027
May 2027
June 2027

Governor's Cup

Helena, Montana, United States
Running5K10KHalf marathon1 mile
July 2027

Madison Marathon

Ennis, Montana, United States
RunningHalf marathonMarathon

Big Sky Marathon

Ennis, Montana, United States
RunningHalf marathonMarathon50K
September 2027
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