Montana · Half Marathon
Half Marathons in Montana
Montana currently has 19 upcoming half marathons with a confirmed date listed in RaceRove. Helena, Bozeman, Polson and Red Lodge have the largest concentration of events.
June (5), August (3) and September (3) are the busiest months on the calendar right now. Another 1 annual half marathon is waiting for next year's date to be announced.
- Upcoming, date confirmed
- 19
- Active listings
- 20
- Cities with races
- 15
More ways to browse Montana
Upcoming half marathons in Montana
All 19 with a confirmed date, soonest first.
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest half marathon events in Montana
By estimated field size across all distances at the event.
When half marathons happen in Montana
- January
- 2 upcoming races
- February
- 1 upcoming race
- March
- 1 upcoming race
- May
- 1 upcoming race
- June
- 5 upcoming races
- July
- 2 upcoming races
- August
- 3 upcoming races
- September
- 3 upcoming races
- October
- 1 upcoming race
Montana cities with the most half marathons
- Helena
- 3 upcoming races
- Bozeman
- 2 upcoming races
- Polson
- 2 upcoming races
- Red Lodge
- 1 upcoming race
- Anaconda
- 1 upcoming race
- Big Sky
- 1 upcoming race
- Billings
- 1 upcoming race
- East Glacier Park
- 1 upcoming race
Annual events awaiting their next date
These half marathons are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
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Back Roads Half & 10kRed Lodge, MT Usually held in October · next date not announcedHalf Marathon5K10K
Half Marathons in nearby states
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Half Marathons in Montana: common questions
- How many half marathons are there in Montana?
- RaceRove currently lists 19 upcoming half marathons in Montana with a confirmed date, plus 1 annual event whose next date hasn't been announced yet.
- How long is a half marathon?
- A half marathon is 13.1 miles (21.1 kilometres).
- Which Montana cities have the most half marathons?
- By upcoming events listed in RaceRove: Helena (3), Bozeman (2), Polson (2), Red Lodge (1) and Anaconda (1).
- When is half marathon season in Montana?
- Of the upcoming half marathons listed, the busiest months are June (5), August (3) and September (3).
- What is the biggest half marathon in Montana?
- By estimated field size, the largest event with a half marathon listed in Montana is the Run to the Pub, with about 4,000 runners across all of its distances.
Search every half marathon in Montana
Filter by month, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.