You can run Massachusetts half-marathon events in Amesbury, Boston, Cambridge, Carlisle, Carver, Dover, Easton, Falmouth, Gloucester, Hampton, Haverhill, Holyoke, Ipswich, Key West, Lowell, Manchester-by-the-Sea, Nantucket, Newburyport, Northampton, Pittsfield, Plymouth, Raynham, Rockport, Salem, Seekonk, Shrewsbury, South Hamilton, Upton, Wells, Westfield, and Whately.
Massachusetts Half Marathons in October
This is the calendar of all the Massachusetts half marathons in October. On these race calendars, not only will you be able to search the basics of cities and dates, but you’ll also be able to find October Massachusetts half marathons by difficulty, scenery, race size, and attributes like whether it’s pet-friendly, stroller-friendly, or has a great finisher party.
If you can’t find the half marathon you’re looking for in Massachusetts in October, it’s possible the race has not updated their date to the current year or has switched months. If you know a race belongs on this calendar or have any edits you’d like to suggest for an existing race in Massachusetts in October, you can email us [email protected].
Filter Massachusetts Half Marathons
Race Size
Difficulty
Scenery
Type
Perfect For
Distances
Filter Massachusetts Half Marathons
Race Size
Difficulty
Scenery
Type
Perfect For
Distances
Featured Race
September 28, 2025
1-100 runners
Newburyport, Massachusetts
- 5k, Half Marathon, Road
Featured Race
January 18, 2026
1,000-10,000 runners
Key West, Delaware
- 5k, Half Marathon, Road
October 4, 2025
1-100 runners
Upton, Massachusetts
- Half Marathon, Trail
October 5, 2025
1,000-10,000 runners
Hampton, Connecticut
- 5k, Half Marathon, Road
October 11, 2025
500-1000 runners
Falmouth, Massachusetts
- Half Marathon, Marathon, Relay, Road
October 12, 2025
100-500 runners
Nantucket, Massachusetts
- 10K, Half Marathon, Road
October 19, 2025
100-500 runners
Northampton, Massachusetts
- Half Marathon, Road
October 19, 2025
500-1000 runners
Lowell, Massachusetts
- Half Marathon, Marathon, Road
October 19, 2025
100-500 runners
Gloucester, Massachusetts
- Half Marathon, Road
October 26, 2025
100-500 runners
Monson, Massachusetts
- 5k, Half Marathon, Road
October 26, 2025
1,000-10,000 runners
Newburyport, Massachusetts
- Half Marathon, Relay, Road
Running in Massachusetts
FAQ
What are the most popular Massachusetts half marathons?
The most popular Massachusetts half marathon is the B.A.A. Half Marathon with 6,270 finishers followed by the Cambridge Half Marathon with 5,143 finishers.
What are the best Massachusetts half marathons for beginners in 2025?
The Massachusetts half marathon that we recommend the most for beginners are:
The Baystate Half Marathon: A really exciting, fast course that’s been designed to give runners the chance to qualify for the Boston Marathon. And it works, over 25% of the running field qualifies every year.
Cape Cod Marathon Weekend: Runner’s World and New England Runner rate it one of the country’s most scenic courses.
Boston’s Run to Remember Half Marathon: The half marathon through historic dowtown Boston to honor the first responders killed in the line of duty.
Which Massachusetts cities have half marathons?
