Marathons in Massachusetts, United States
35 upcoming races are listed in Massachusetts, including 11 marathons, 28 half marathons and 8 ultras. The next is South Shore *3 Beach Minimum" Half Marathon 2026 on September 26, 2026.
October has the most races. Race pages link the official source where we have one. Confirm dates and prices with the organizer before you register.
35
Races listed
11
Marathons
October
Busiest month
24 Jul
Last updated
| Date | Race | City | Distances | From |
|---|---|---|---|---|
| 26 Sep 2026 26Sep 26 | South Shore *3 Beach Minimum" Half Marathon 2026 | Hull | 21.1K | - |
| 27 Sep 2026 27Sep 26 | PortRun Half Marathon & 5K | Newburyport | 21.1K · 5K | - |
| 27 Sep 2026 27Sep 26 | The Apple Harvest Ramble Half Marathon and 5K | Harvard | 21.1K · 5K | - |
| 3 Oct 2026 03Oct 26 | House Rabbit Network 5000 | Boxboro | 5K · 1K | - |
| 11 Oct 2026 11Oct 26 | Cape Cod Marathon | Falmouth | 42.2K · 21.1K · 5K | $100–$160 |
| 11 Oct 2026 11Oct 26 | Nantucket Half Marathon | Nantucket | 21.1K · Kids | - |
| 12 Oct 2026 12Oct 26 | Cloudsplitter 100 | Massachusetts | - | - |
| 18 Oct 2026 18Oct 26 | Around Cape Ann Half Marathon | Gloucester | 21.1K | - |
| 18 Oct 2026 18Oct 26 | Baystate Marathon | Lowell | 42.2K · 21.1K · Relay | $80–$110 |
| 18 Oct 2026 18Oct 26 | Happy Valley Half Marathon & 5K | Massachusetts | 21.1K | - |
| 25 Oct 2026 25Oct 26 | Xfinity Newburyport Half Marathon | Massachusetts | Ultra · 21.1K | - |
| 1 Nov 2026 01Nov 26 | Ocean View Half Marathon & 5K | Ipswich | 21.1K · 5K | - |
| 1 Nov 2026 01Nov 26 | semi-marathon et 5k de OceanView | Massachusetts | Ultra · 21.1K · 5K | - |
| 1 Nov 2026 01Nov 26 | South Shore Half Marathon and 5K | Hingham | 21.1K · 5K | - |
| 8 Nov 2026 08Nov 26 | Harborside Half Marathon & 5K | Newburyport | 21.1K · 5K · Virtual | - |
| 8 Nov 2026 08Nov 26 | Monson Memorial Classic Half Marathon & 5K | Monson | 21.1K · 5K | - |
| 8 Nov 2026 08Nov 26 | Semi Marathon de Boston B.A.A | Massachusetts | Ultra · 21.1K | - |
| 8 Nov 2026 08Nov 26 | Upton 10.5K and Half Marathon Trail Race | Upton | 21.1K · 10.5K | - |
| 21 Nov 2026 21Nov 26 | Livestrong at the Y 5K & Half Marathon | Peabody | 21.1K · 5K | - |
| 6 Dec 2026 06Dec 26 | Frosty Half-Marathon | Raynham | 21.1K | - |
| 6 Dec 2026 06Dec 26 | Happy Holidays Half MerryThon & 5K Race | Gloucester | 21.1K · 5K | - |
| 6 Dec 2026 06Dec 26 | Jingle Bell Half Marathon & 5K | Haverhill | 21.1K · 5K · Virtual | - |
| 28 Feb 2027 28Feb 27 | Hyannis Marathon | Barnstable | 42.2K · 21.1K · Relay | - |
| 3 Apr 2027 03Apr 27 | Fool's Dual Half Marathon | Gloucester | 21.1K · 5K | - |
Go a level deeper
Links go down the map, not sideways. Each region and city has its own page of races.
Cities
Common questions
When is the next race in Massachusetts?
South Shore *3 Beach Minimum" Half Marathon 2026 on September 26, 2026. The table above lists every upcoming race in date order.
Which months are busiest in Massachusetts?
October (8), November (8), May (6), counting every upcoming race listed in Massachusetts.
Which distances can I run in Massachusetts?
The listed races include 11 marathons, 28 half marathons, 8 ultras, 1 10K and 18 5Ks. Many events offer more than one distance on the same day.
How do I confirm a race’s details?
Open the race page and check its provenance ledger, which shows where each fact came from. Then confirm the date, price and entry rules with the organizer before you register or book travel.
Spotted something wrong on this page?
Dates and prices move · tell us and we check the organizer’s source