Maine · Half Marathon

2026-2027 Half Marathons in Maine

Every upcoming Half Marathon in Maine, all 9 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

9 upcoming half marathons · 3 with finish-time stats

5K Races 5710K Races 12Marathons 5
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By the numbers

The Biggest and Longest-Running

The Maine races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.

Largest field135 finishersBangor Marathon - Full/Half/10K/5K - Running Festivalin the Half Marathon

Maine Half Marathons by City

Baileyville 1Old Orchard Beach 1Brunswick 1Bar Harbor 1Bangor 1Greenville 1Augusta 1Lincoln 1Waterville 1

The Next Half Marathons in Maine

9 total
Sun, Nov 1, 2026Moosehorn Ghost Run Half-Marathon and Relay Baileyville, MEHalf MarathonFrom $30Details Sat, Mar 20, 2027On the Run Half Marathon Old Orchard Beach, MEHalf MarathonFrom $75Details Sat, May 8, 2027Race The Runways Half Marathon and 5K Brunswick, MEHalf Marathon5KFrom $60Details Sun, Jun 6, 20272027 Acadia Half Marathon and 10K Bar Harbor, MEHalf Marathon10KFrom $145Details Sun, Jun 6, 2027Bangor Marathon - Full/Half/10K/5K - Running Festival Bangor, MEMarathonHalf Marathon5K10KFrom $65Details Sun, Jun 13, 2027Moosehead Marathon, Half, 10k and 5k Greenville, ME5K10KHalf MarathonMarathonFrom $65Details Sun, Jul 18, 2027Augusta Marathon - 5K/10K/Half/Full - Running Festival Augusta, MEMarathonHalf Marathon10K5KFrom $85Details Sun, Sep 19, 2027Lincoln Marathon - Full/Half/10K/5K Lincoln, MEMarathonHalf Marathon5K10KFrom $55Details Sun, Sep 26, 2027Waterville Marathon - Full/Half/10K/5K Waterville, MEHalf MarathonMarathon5K10KFrom $75Details

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 Oct 25, 2026.

Common Questions About Running a Half Marathon in Maine

Which Maine cities have the most half marathons?

Baileyville (1), Old Orchard Beach (1), Brunswick (1), Bar Harbor (1) lead the state for Half Marathon races. Those give you the most dates to choose from if your schedule is tight.

When are most half marathons held in Maine?

June is the busiest month for Half Marathon races in Maine, with 3 of the 9, followed by September with 2. If you are flexible on the date, that is the quickest way to narrow things down.

Are there trail Half Marathon races in Maine?

Yes, one race around Maine gets you off the pavement: 1 is a trail race.