5K races in Massachusetts, United States — 2026 running calendar

Cambridge Half Marathon + 5K

Cambridge, Massachusetts, United States

Oct 31, 2026 (Sat) – Nov 1, 2026

$45.00 - $200.00

Running

5K Half-Marathon +2

GenesisHR Battlegreen Run 2025

Lexington, Massachusetts, United States

Nov 1, 2026 (Sun) – Nov 7, 2026

$35.00 - $45.00

Running, Walking

9.9K 5K 1.9K 10K +3

Western Mass 10 & NoHo 5K

Amherst, Massachusetts, United States

Nov 1, 2026 (Sun)

Running

16.1K 5K

Ocean View Half Marathon & 5K

Ipswich, Massachusetts, United States

Nov 1, 2026 (Sun)

$39.00 - $89.00

Running

5K Half-Marathon

The Rotary Club of Marblehead 5K

Marblehead, Massachusetts, United States

Nov 1, 2026 (Sun)

$30.00

Running

5K

Randolph Pack the Pantry 5K Run/Walk

Randolph, Massachusetts, United States

Nov 7, 2026 (Sat)

$30.00

Running

5K

DAV 5K Boston

Boston, Massachusetts, United States

Nov 7, 2026 (Sat)

Free - $57.00

Running

5K 1.6K +2

Cider Hill Farm 5K Fall Run

Amesbury, Massachusetts, United States

Nov 7, 2026 (Sat)

$40.00

Running

5K

Harborside Half Marathon & 5K

Newburyport, Massachusetts, United States

Nov 8, 2026 (Sun)

$49.00 - $89.00

Running

Half-Marathon 5K

Veterans Inc. Run4Veterans 5k Run/Walk at Polar Park

Worcester, Massachusetts, United States

Nov 8, 2026 (Sun)

Free - $35.00

Running

5K +1

Monson Memorial Classic Half Marathon & 5K

Monson, Massachusetts, United States

Nov 8, 2026 (Sun)

$30.00 - $65.00

Running

Half-Marathon 5K

Boston River Run

Boston, Massachusetts, United States

Nov 8, 2026 (Sun)

$40.00

Running

5K