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

    Race calendar

    Half Marathon Races in Portland, ME

    1 upcoming Half Marathon race in Portland. Run This events are listed first.

    Sort
    Search all races
    DistanceAll5K10KHalf MarathonMarathon
    Nearby citiesBangorKennebunkBathBiddefordNewryAugustaBar HarborWatervilleFalmouthOld Orchard BeachWellsGorham

    1 race

    Sun, Oct 4, 2026

    Maine Marathon, Half Marathon and Marathon Relay

    Portland, ME

    OutsideMarathon5K10K

    Own a race in Portland?

    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

    Don't lose this one.

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

    Create your free account

    Your whole running year, in one place.

    Follow your friends, save Portland, ME races, and keep every start line in one calendar.

    Create your free account

    Other cities in Maine

    Bangor7Kennebunk6Bath5Biddeford5Newry5Augusta4Bar Harbor4Waterville4Falmouth3Old Orchard Beach3Wells3
    Gorham2
    Greenville2
    Hollis Center2
    Lewiston2
    Lincoln2
    Norway2
    Rangeley2
    Springvale2
    Waterboro2
    Windham2
    Yarmouth2
    Albion1
    ANYWHERE USA1
    Auburn1
    Baileyville1
    Belfast1
    Brewer1
    Cape Elizabeth1