Cambridge 5K @ CambridgeSide

Sun, May 31, 2026, 10:00 AM EDT

Location: Cambridge, MA; 100 CambridgeSide Place, 02141
Type: RUN

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Course feel, difficulty, and community fit are being added to this listing. Check back, and always confirm details on the official registration page.

Distances & registration

2 options

Registration for all distances is through the official signup link above.

3.1 Miles
Sun, May 31, 10:00 AM EDT · From $44.40
Opens Jan 12, 2026, 7:00 PM EST · Closes Mar 15, 2026, 7:59 PM EDT
3.1 Miles
Sun, May 31, 10:00 AM EDT · From $44.40
Opens Feb 18, 2026, 6:20 AM EST · Closes Mar 15, 2026, 7:59 PM EDT

Vibe Check

Easygoing

Based on terrain, weather, and distance data.

The course

From the organizer

The Cambridge 5K @ CambridgeSide is a flat and fast race through the heart of East Cambridge & Inman Square. The race starts & finishes at CambridgeSide and is immediately followed by a post-race party at the new CanalSide Food + Drink hall. Registration includes a short-sleeve technical t-shirt, 5 complimentary parking voucher, and a post-race celebration. The race benefits the MSPCA & the Helen K. Holland Animal Care Trust Fund.

After crossing the finish line at this year's Cambridge 5K @ CambridgeSide, DJ Smooth Bee will keep the party going at CanalSide Food + Drink, CambridgeSide's newly opened energetic food and drink experience featuring spectacular waterfront views, a collection of exciting eateries, and a centrally located bar. Redeem your 2 tear-off drink tickets at C-Side Bar for the signature 5K beer: Zero Gravity – Green State Lager.

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