Horribles Parade & Trick-or-Treat on Main Street in Marlborough
Thursday, October 29, 2026, 4:30 PM · Main Street, Downtown Marlborough · Marlborough
Marlborough's downtown turns into one big costume party for an early Halloween evening. Kids trick-or-treat along Main Street with local vendors, then everyone lines up for the Horribles Parade, led by the Marlborough High School Marching Band. The Mayor joins in too. Thursday, October 29, 2026. Trick or Treat on Main runs 4:30–5:30 PM, followed by the Horribles Parade from 5:30–6 PM. Wear your best costume. The city hasn't posted admission or registration details. The map marks City Hall on Main Street as a downtown reference, not an announced starting point.
- Where: Main Street, Downtown Marlborough, 140 Main Street, Marlborough, MA 01752
- Ages: All Ages
- Website: https://www.marlborough-ma.gov/m/newsflash/home/detail/158