Boston Event Calendar October 2025 Calendar. Plan your trip around one of boston's annual events like first night, the boston marathon, harborfest, and the head of the charles regatta, or create an unforgettable trip with one. Discover an extensive list of exciting sporting events in boston for 2024/2025.

This year’s boston october events are filled with spooky spectacles, fall foliage and of course,. Boston convention and exhibition center, boston.