Run ThisRun This
    Create Your RaceFind EventsContact
    Create
    1. Run This/
    2. Races/
    3. Montana/
    4. Half Marathon

    Race calendar

    Half Marathon Races in Montana

    21 upcoming Half Marathon races across Montana. Run This events are listed first — pick a city below to narrow it down.

    Sort
    Search all races
    Cities in MontanaWest Yellowstone

    21 races

    Sat, Sep 26, 2026

    Hiawatha Fall Trail Run

    Taft, MT

    OutsideMarathon10K

    Sat, Sep 26, 2026

    Golden Gravel Grinder

    Virginia City, MT

    Outside85.0 mi40.0 miMarathon

    Sun, Sep 27, 2026

    Timberline Trail Run

    Bozeman, MT

    Outside12.4 mi10K5K1000 m

    Sat, Oct 3, 2026

    Whitefish Trail Blazer

    Whitefish, MT

    Outside31.1 miMarathon6.8 mi3.4 mi

    Own a race in Montana?

    List it on Run This and it shows up right here, where runners are already looking. Run This is any race director's best friend and the most modern platform for your registration. Already listed? Claim it.

    List your race

    Sat, Oct 3, 2026

    Blacktail Climb

    Lakeside, MT

    Outside13.5 mi7.0 mi

    Sun, Oct 4, 2026

    Back Roads Half & 10k

    Red Lodge, MT

    OutsideMarathon10K

    Sun, Oct 18, 2026

    Just for the Helena of It

    Helena, MT

    OutsideMarathon10K5K1 mile

    Sat, Jan 16, 2027

    Sorry 'Bout That Half Marathon and Team Relay

    Polson, MT

    OutsideMarathon

    Sat, Feb 27, 2027

    Snow Joke Half Marathon

    Seeley Lake, MT

    OutsideMarathon

    Sat, Mar 20, 2027

    Lucky Hare Half Marathon & 9K

    Kalispell, MT

    OutsideMarathon5.8 mi

    Sat, May 22, 2027

    Whitefish Marathon, Half Marathon & 5K Presented by Hammer Nutrition

    Whitefish, MT

    OutsideMarathon5K

    Sat, Jun 26, 2027

    Yellowstone Park Trail Races

    West Yellowstone, MT

    OutsideMarathon31.1 mi15.5 mi10K

    Sat, Jun 26, 2027

    WICKED FAST MARATHON & HALF MARATHON MONTANA

    Livingston, MT

    OutsideMarathon

    Sat, Jun 26, 2027

    Montana Trail Series

    West Yellowstone, MT

    OutsideMarathon31.1 mi15.5 mi10K

    Sat, Jun 26, 2027

    Missoula Marathon Weekend of Events

    Missoula, MT

    Outside5K1.2 miMarathon

    Sat, Jul 10, 2027

    Madison Marathon

    Ennis, MT

    OutsideMarathon

    Sun, Jul 11, 2027

    Big Sky Marathon

    Ennis, MT

    OutsideMarathon31.1 mi

    Sat, Jul 17, 2027

    Bob Marshall Trail Races

    Seeley Lake, MT

    Outside31.1 mi15.5 miMarathon10K

    Sat, Jul 24, 2027

    Headwaters Bank Run (26th Annual)

    Three Forks, MT

    Outside5K10KMarathon

    Sat, Jul 31, 2027

    Yellowstone Park Trail Races

    West Yellowstone, MT

    OutsideMarathon10K5K31.1 mi

    Sat, Sep 25, 2027

    The Divide Trail Race

    Butte, MT

    Outside31.1 mi15.5 miMarathon10K

    Never miss a race your friends are running.

    Save Montana races, see who else is going, and get a nudge before signups close.

    Create your free account

    Don't lose this one.

    Save any Montana race to your calendar and we'll remind you when it matters.

    Create your free account

    Half Marathon races by city in Montana

    West Yellowstone3