Western Greenway 5K & Free Kids' Monster Dash

Sun · Oct 25·9 AM – 5 PM·Various Locations · Waltham

Meet staff, faculty, families, and alumni across Brandeis locations, featuring reunion class events, alumni of color sessions, and BOLD gatherings.

Sun · Oct 25·1 PM – 4 PM·Bookmobile · Waltham

Toe Jam Puppet Band performs twice, with trick‑or‑treating around the Bookmobile and library, plus crafts, at the Annual Halloween Party, all ages.

Sun · Oct 25·10 AM – 11 AM·Brandeis University events · Waltham

Catholic Mass (Bethlehem Chapel, Brandeis University) — Mass celebrated for the Brandeis Catholic community by local priests during the academic year.

Sun · Oct 25·3 PM – 4 PM·Trustees Room, Waltham Public Library, 735 Main Street, Waltham, MA, 02451

Girl Scouts Meeting in the Trustees Room at Waltham Public Library.

Sat · Oct 24·4 PM – 5 PM·Brandeis University events · Waltham

Bingo at Brandeis University offers prize-winning games with Shabbat‑friendly participation options, open to all ages.

Mon · Oct 26·6 PM – 8 PM·Lecture Hall, Waltham Public Library, 735 Main Street, Waltham, MA, 02451

Halloween party with free food, spooky music, movie night and optional costume contest in the Waltham Public Library Lecture Hall, for ages 13–18.

Tue · Oct 27·10:30 AM – 11 AM·Lecture Hall, Waltham Public Library, 735 Main Street, Waltham, MA, 02451

Spanish story hour in the Lecture Hall at Waltham Public Library features cuentos, rimas, and songs, offering fun for all ages.

Sat · Oct 24·Waltham

In-person voter registration available at 260 Grove Street, Waltham, with online status check and resources.

Sat · Oct 24·9 AM·Waltham

Residents drop off unwanted scrap metal, electronics, tires, paper, CFL bulbs, glasses, and phones at Nipper Maher Park, free for Waltham residents with proof of residency.

Sat · Oct 24·11 AM·Waltham

Free film screening and seminar on service, family, and post‑military life at AMC Framingham 16, for veterans, first responders, and their families.