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Half Marathons found in Massachusetts in September

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Half Marathons in Massachusetts in September 2025

Find A Race is the US's favourite event listings site. Check out our list of September 2025 Half Marathons in Massachusetts below.

Race Calendar: Half Marathons found in September

🚀Boosted

Half Marathon-by-the-Sea

Manchester-by-the-Sea, Massachusetts
14 Sep 25
$99.68
🚀Boosted

PortRun Half Marathon & 5K

Newburyport, Massachusetts
28 Sep 25
$44.34 - $99.68
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30th Annual Run to the Rock 5K, 10K & 1/2 Marathon

Marshfield, Plymouth
06 Sep 25
$30.00

Half Marathon-by-the-Sea

Manchester-by-the-Sea, Massachusetts
14 Sep 25
$99.68

Tache Realty Wicked Half Marathon

Salem, Massachusetts
21 Sep 25
$75.20

PortRun Half Marathon & 5K

Newburyport, Massachusetts
28 Sep 25
$44.34 - $99.68
Showing 1-4 of 4 results