Montana · Marathon

2027 Marathons in Montana

Every upcoming Marathon in Montana, all 9 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

9 upcoming marathons · 6 with finish-time stats

5K Races 5210K Races 21Half Marathons 17Ultramarathons 5
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By the numbers

The Biggest and Longest-Running

The Montana races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.

Largest field2,538 finishersMissoula Marathon Weekend of Eventsin the Half Marathon

Montana Marathons by City

West Yellowstone 2Ennis 2Whitefish 1Livingston 1Missoula 1Seeley Lake 1Butte 1

The Next Marathons in Montana

9 total
Sat, May 22, 2027Whitefish Marathon, Half Marathon & 5K Whitefish, MTMarathonHalf Marathon5KFrom $90Details Sat, Jun 26, 2027Yellowstone Park Trail Races West Yellowstone, MTMarathonHalf Marathon50K25KFrom $80Details Sat, Jun 26, 2027WICKED FAST MARATHON & HALF MARATHON MONTANA Livingston, MTMarathonHalf MarathonFrom $129Details Sun, Jun 27, 2027Missoula Marathon Weekend of Events Missoula, MT5K1.2 MilesMarathonHalf MarathonFrom $115Details Sat, Jul 10, 2027Madison Marathon Ennis, MTMarathonHalf MarathonFrom $100Details Sun, Jul 11, 2027Big Sky Marathon Ennis, MTMarathonHalf Marathon50KFrom $100Details Sat, Jul 17, 2027Bob Marshall Trail Races Seeley Lake, MT50K25KMarathonHalf MarathonFrom $75Details Sat, Jul 31, 2027Yellowstone Park Trail Races West Yellowstone, MTMarathonHalf Marathon10K5KFrom $80Details Sat, Sep 25, 2027The Divide Trail Race Butte, MT50K25KMarathonHalf MarathonFrom $80Details

How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Oct 25, 2026.

Common Questions About Running a Marathon in Montana

Which Montana cities have the most marathons?

West Yellowstone (2), Ennis (2), Whitefish (1), Livingston (1) lead the state for Marathon races. Those give you the most dates to choose from if your schedule is tight.

When are most marathons held in Montana?

July is the busiest month for Marathon races in Montana, with 4 of the 9, followed by June with 3. If you are flexible on the date, that is the quickest way to narrow things down.

Are Montana Marathon races beginner-friendly?

Yes, for the most part. Across the 5 Marathon races in Montana with published results, the typical median finish is around 5:20:55, which means half of every one of those fields came in slower than that. Recreational runners and walk-runners are the bulk of these fields, not the exception.

Are there trail Marathon races in Montana?

Yes, 3 races around Montana get you off the pavement: 3 are trail races.