Massachusetts · Half Marathon

2026-2027 Half Marathons in Massachusetts

Every upcoming Half Marathon in Massachusetts, all 15 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

15 upcoming half marathons · 12 with finish-time stats

5K Races 15210K Races 7
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By the numbers

The Biggest and Longest-Running

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

Largest field1,423 finishersHarborside Half Marathon & 5Kin the Half Marathon

Massachusetts Half Marathons by City

Gloucester 4Cambridge 1Ipswich 1Monson 1Newburyport 1Peabody 1Haverhill 1Worcester 1Amesbury 1Westport 1Rockport 1Manchester-by-the-Sea 1

Half Marathons in Massachusetts by Month

November 2026 5

The Next Half Marathons in Massachusetts

15 total
Sun, Nov 1, 2026Cambridge Half Marathon + 5K Cambridge, MAHalf Marathon5KFrom $135Details Sun, Nov 1, 2026Ocean View Half Marathon & 5K Ipswich, MA5KHalf MarathonFrom $109Details Sun, Nov 8, 2026Monson Memorial Classic Half Marathon & 5K Monson, MAHalf Marathon5KFrom $75Details Sun, Nov 8, 2026Harborside Half Marathon & 5K Newburyport, MAHalf Marathon5KFrom $119Details Sat, Nov 21, 2026Livestrong at the Y 5K & Half Marathon Peabody, MA5KHalf MarathonFrom $80Details Sun, Dec 6, 2026Happy Holidays Half MerryThon & 5K Race Gloucester, MA5KHalf MarathonFrom $99Details Sun, Dec 6, 2026Jingle Bell Half Marathon & 5K Haverhill, MAHalf Marathon5KFrom $94Details Sat, Apr 3, 2027Fool's Dual Half Marathon Gloucester, MA5KHalf MarathonFrom $80Details Sun, Apr 4, 2027The Mass Half Worcester, MAHalf MarathonFrom $100Details Sun, May 2, 2027Twin Lights Half Marathon Gloucester, MAHalf MarathonFrom $80Details Sat, May 8, 2027Enjoy Your Life Happy Half Marathon & Friendly 5K Amesbury, MAHalf Marathon5KFrom $85Details Sun, May 23, 20272027 Horseneck Half & 3.5 Miler Westport, MAHalf Marathon3.5 MilesRegistration opens Dec 5From $100Details

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 Massachusetts

Which Massachusetts cities have the most half marathons?

Gloucester (4), Cambridge (1), Ipswich (1), Monson (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 Massachusetts?

November is the busiest month for Half Marathon races in Massachusetts, with 5 of the 15, followed by May with 3. If you are flexible on the date, that is the quickest way to narrow things down.

Are Massachusetts Half Marathon races beginner-friendly?

Yes, for the most part. Across the 12 Half Marathon races in Massachusetts with published results, the typical median finish is around 2:06:37, which means half of every one of those fields came in slower than that. Recreational runners and walk-runners are the bulk of these fields, not the exception.