Cambridge 5K at CambridgeSide

Registration is now open for the Cambridge 5K at CambridgeSide, taking place on Sunday, May 31, 2026. The race benefits the MSPCA & the Helen K. Holland Animal Care Trust Fund and begins at 10 a.m. This is a flat and fast race through the heart of East Cambridge & Inman Square that starts and finishes at CambridgeSide. Registration includes a short-sleeve technical t-shirt, 5 complimentary parking vouchers, and a post-race celebration. After crossing the finish line, DJ Smooth Bee will keep the party going at CanalSide Food + Drink. Click here for Race Information and Registration. 

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