Montana Half Marathons
29 upcoming half marathons across Montana, updated nightly. Want radius search and maps? Open these in the Race Finder.
When to race: half marathons in Montana
Montana has 29 upcoming half marathons over the next 12 months. Among complete calendar months, June 2027 has the most listed races, with 7. Most are around Bozeman, Seeley Lake, Helena. The next one is Sorry 'Bout That Half Marathon and Team Relay on January 16 in Polson.
- Jan 20272 races
- Feb 20272 races
- Mar 20272 races
- May 20272 races
- Jun 20277 races
- Jul 20276 races
- Aug 20271 race
- Sep 20276 races
- Oct 20271 race
January 2027
- Sat 1/16Sorry 'Bout That Half Marathon and Team RelayPolson, MT · Half Marathon · from $35 · register ↗
- Sat 1/3044th OSCRSeeley Lake, MT · 44K · 20K · 10K · 5K · from $30 · register ↗
February 2027
- Sat 2/13SkyloppetBozeman, MT · 50K · 25K · 10K · 5K · 20K · from $30 · register ↗
- Sat 2/27Snow Joke Half MarathonSeeley Lake, MT · Half Marathon · from $35 · register ↗
March 2027
- Sat 3/13Lucky Hare Half Marathon & 9KKalispell, MT · Half Marathon · 5.8 Miles · from $45 · register ↗
- Sat 3/20Pub 317's Run to the PubBozeman, MT · 10K · Half Marathon · from $45 · register ↗
May 2027
- Sat 5/22Whitefish Marathon, Half Marathon & 5K Presented by Hammer NutritionWhitefish, MT · Marathon · Half Marathon · 5K · from $30 · register ↗
- Sun 5/23Billings Skyline RacesBillings, MT · Half Marathon · 30K · from $70 · register ↗
June 2027
- Sat 6/5Bear Paw MarathonHavre, MT · Marathon · Half Marathon · 5K · from $35 · register ↗
- Sat 6/12Governor's CupHelena, MT · Half Marathon · 10K · 5K · 1 Mile · from $20 · register ↗
- Sat 6/19FTBT Half Marathon, 10K and 5K Trail RunKalispell, MT · Half Marathon · 10K · 5K · Trail · from $25 · registration closed · register ↗
- Sat 6/26Missoula Marathon Weekend of EventsMissoula, MT · 5K · 1.2 Miles · Marathon · Half Marathon · from $10 · register ↗
- Sat 6/26Montana Trail SeriesWest Yellowstone, MT · Marathon · Half Marathon · 50K · 25K · 10K · Trail · from $45 · register ↗
- Sat 6/26WICKED FAST MARATHON & HALF MARATHON MONTANALivingston, MT · Marathon · Half Marathon · from $79 · register ↗
- Sat 6/26Yellowstone Park Trail RacesWest Yellowstone, MT · Marathon · Half Marathon · 50K · 25K · 10K · Trail · from $45 · register ↗
July 2027
- Sat 7/10Madison MarathonEnnis, MT · Marathon · Half Marathon · from $80 · register ↗
- Sun 7/11Big Sky MarathonEnnis, MT · Marathon · Half Marathon · 50K · from $80 · register ↗
- Sat 7/17Big Sky State Games Road RaceLaurel, MT · 5K · 10K · Half Marathon · Road · from $35 · register ↗
- Sat 7/17Bob Marshall Trail RacesSeeley Lake, MT · 50K · 25K · Marathon · Half Marathon · 10K · Trail · from $55 · register ↗
- Sat 7/24Headwaters Bank Run (26th Annual)Three Forks, MT · 5K · 10K · Half Marathon · from $30 · register ↗
- Sat 7/31Yellowstone Park Trail RacesWest Yellowstone, MT · Marathon · Half Marathon · 10K · 5K · 50K · Trail · from $45 · register ↗
August 2027
- Sat 8/7HURL ElkhornHelena, MT · 50 Mile · 50K · Half Marathon · register ↗
September 2027
- Fri 9/10The Rut Mountain RunsBig Sky, MT · 50.6 Miles · 30.3 Miles · 17.8 Miles · Half Marathon · 2.5 Miles · Trail · from $75 · registration closed · register ↗
- Sun 9/12Bozeman Half Marathon & 10KBozeman, MT · Half Marathon · 10K · from $50 · registration closed · register ↗
- Sat 9/18Kickin Assphault Half Marathon, 10k, 1 Mile run/walk, 1/2 mile Kid's DashGreat Falls, MT · Half Marathon · 10K · 5K · 1 Mile · from $10 · registration closed · register ↗
- Sat 9/25Hiawatha Fall Trail RunTaft, MT · Marathon · Half Marathon · 10K · Trail · from $45 · register ↗
- Sat 9/25The Divide Trail RaceButte, MT · 50K · 25K · Marathon · Half Marathon · 10K · Trail · from $45 · register ↗
- Sun 9/26Timberline Trail RunBozeman, MT · 20K · 10K · 5K · 1K · Trail · from $5 · registration closed · register ↗
October 2027
- Sun 10/17Just for the Helena of ItHelena, MT · Half Marathon · 10K · 5K · 1 Mile · from $35 · registration closed · register ↗
Planning a race
- Choosing a first marathonmoving up from the half, and picking a debut race
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