Which Montana cities have the most Marathon races?
West Yellowstone (2), Ennis (2), Livingston (1), Harlowton (1) lead the state for Marathon races. Those give you the most dates to choose from if your schedule is tight.
Montana · Marathon
Marathon Races 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 Marathon races · 6 with finish-time stats
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.
Marathon Races by City
Soonest Marathon Races in Montana
9 total Sat, Aug 1, 2026Yellowstone Trail Races West Yellowstone, MTFrom $50Details Sat, Aug 15, 2026WICKED FAST MARATHON & HALF MARATHON MONTANA Livingston, MTFrom $135Details Sun, Sep 6, 2026AIDSPIRIT USA Marathon Harlowton, MTFrom $35Details Sun, Sep 20, 2026Montana Marathon Billings, MTFrom $45Details Sat, May 22, 2027Whitefish Marathon, Half Marathon & 5K Whitefish, MTFrom $35Details Sat, Jul 10, 2027Yellowstone Park Trail Races West Yellowstone, MTFrom $45Details Sat, Jul 10, 2027Madison Marathon Ennis, MTFrom $80Details Sun, Jul 11, 2027Big Sky Marathon Ennis, MTFrom $80Details Sat, Jul 17, 2027Bob Marshall Trail Races Seeley Lake, MTFrom $45Details
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 Jul 27, 2026.
Common Questions About Running a Marathon in Montana
When are most Marathon races held in Montana?
July is the busiest month for Marathon races in Montana, with 4 of the 9, followed by August with 2. If you are flexible on the date, that is the quickest way to narrow things down.
How much do Montana Marathon races cost?
Entry fees for Marathon races here run from $35 to about $135, depending on the event and how early you register.
How early should I register for a Marathon in Montana?
5 of the 9 Marathon races in Montana already have a price increase scheduled, so entry gets more expensive the longer you leave it. Race pricing almost always steps up as the date approaches, and signing up early is usually the cheapest option.
Are Montana Marathon races beginner-friendly?
Yes, for the most part. Across the 3 Marathon races in Montana with published results, the typical median finish is around 4:48:08, 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. Surfaces are not always published, so it is worth checking a specific race before you register.