Massachusetts Half Marathon Calendar 2025-2026

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Explore the best half marathons in Massachusetts for 2025-2026! Our updated list features 35 exciting races across the state. Find your next race in Massachusetts below and join the running community at these great events!

September 2025
Sep
6
Saturday

Run to the Rock

5 km 10 km 13 mi
Sep
6
Saturday

TARC Fall Classic

Trail Run 10 km 21 km ... 50 km 50 mi
Sep
14
Sunday

Half Marathon-by-the-Sea

13 mi
Sep
28
Sunday

PortRun Half Marathon

5 km 13 mi
October 2025
Oct
11-12
Sa - Su

Southcoast Wind Cape Cod Marathon

5 km 13 mi 26 mi
Oct
12
Sunday

Nantucket Half Marathon

6 mi 13 mi
Oct
19
Sunday

Around Cape Ann Half Marathon

13 mi
Oct
19
Sunday

Baystate Marathon

21 km 42 km
November 2025
Nov
1
Saturday

TARC Stone Cat Trail Festival

Trail Run 10 km 21 km ... 50 mi 100 km
Nov
2
Sunday

Cambridge Half Marathon

13 mi
Nov
2
Sunday

South Shore Half Marathon

5 km 13 mi
Nov
2
Sunday

Ocean View Half Marathon

5 km 13 mi
Nov
9
Sunday

Harborside Half Marathon

5 km 13 mi
December 2025
Dec
7
Sunday

Happy Holidays Half Merrython

5 km 13 mi
Dec
7-8
Su - Mo

Jingle Bell Half Marathon

5 km 13 mi
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