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    Half Marathon Races in Maine

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

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    10 races

    Sun, Oct 4, 2026

    Maine Marathon, Half Marathon and Marathon Relay

    Portland, ME

    OutsideMarathon5K10K

    Sun, Oct 4, 2026

    Waterville Marathon - Full/Half/10K/5K - Running Festival

    Waterville, ME

    OutsideMarathon5K10K

    Sun, Nov 1, 2026

    Moosehorn Ghost Run Half-Marathon and Relay

    Baileyville, ME

    OutsideMarathon

    Sat, Mar 20, 2027

    On the Run Half Marathon

    Old Orchard Beach, ME

    OutsideMarathon

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    Sun, Apr 11, 2027

    Boyden Lake Half-Marathon

    Perry, ME

    OutsideMarathon5.0 mi

    Sun, Jun 6, 2027

    2027 Acadia Half Marathon and 10K

    Bar Harbor, ME

    OutsideMarathon10K

    Sun, Jun 13, 2027

    Bangor Marathon - Full/Half/10K/5K - Running Festival

    Bangor, ME

    OutsideMarathon5K10K

    Sun, Jun 13, 2027

    Moosehead Marathon, Half, 10k and 5k

    Greenville, ME

    Outside5K10KMarathon

    Sun, Jul 18, 2027

    Augusta Marathon - 5K/10K/Half/Full - Running Festival

    Augusta, ME

    OutsideMarathon10K5K

    Sun, Sep 19, 2027

    Lincoln Marathon - Full/Half/10K/5K

    Lincoln, ME

    OutsideMarathon5K10K

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