Running races in Montana in May 2027

12 races in date order

The Sentinel Hill Climb 2026
May 2027 · Missoula, MT · 2.6 km
2,000ft climb to the summit of Mount Sentinel

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Don't Fence Me In Trail Run
Sat 8 May 2027 · Helena, MT · 50K · 25K · 12K · 12K Hike · 5K · 5K Dog Walk
Threads Helena's South Hills on protected trust trails

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Montana Women's Run
Sat 8 May 2027 · Billings, MT · 5 Mile · Virtual 5 Mile · 2 Mile · Virtual 2 Mile
Decades-old Billings tradition empowering women since 1982

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5K Brew Run at Mountains Walking
May 2027 · Bozeman, MT · 5K
Bozeman's monthly brewery-finish 5K series

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Veteran Suicide Awareness & Prevention (VSAP)
Sat 15 May 2027 · Missoula, MT · 12-mile Run · 6-mile Ruck · 4.8 km

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The Last Best Beer Run and 5k
May 2027 · Billings, MT · 5K
Billings 5K fueled by local craft breweries

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Marshall Mountain Revival Trail Runs
May 2027 · Missoula, MT · Revival Relay 25K · Revival Solo 25K · Moose 5 Miler
New singletrack on Missoula's Marshall Mountain

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Baldy Blitz Trail Run
May 2027 · Bozeman, MT · 8 Mile
Climbs Baldy Mountain above Bozeman's M Trail

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Whitefish Marathon
Sat 22 May 2027 · Whitefish, MT · Marathon · Half Marathon · 5K
Marathon, half and 5k through mountain lake town Whitefish, Montana

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Skyline Races Half Marathon and 30K
Sun 23 May 2027 · Billings, MT · 30K · Half Marathon
Clifftop trails above Billings with views of the Beartooth Mountains

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Frank Newman Marathon
May 2027 · Bozeman, MT · Marathon · Half Marathon
Bridger Canyon to Livingston, point to point

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Kickin Assphault Half Marathon
May 2027 · Great Falls, MT · Half Marathon · 10K · 5K · 1 Mile

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← Montana Oct Nov Dec Jan 2027 Feb 2027 Mar 2027 Apr 2027 Jun 2027 Jul 2027 Aug 2027 Sep 2027 Oct 2027

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Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.