Races

Purchase and gift a Cambridge Classic 5K Season Pass registration or an individual Cambridge Classic 5K race! 2026 dates: Spring Classic 5K - 3/29/26 @ 9:30AM Summer Classic 5K - 6/28/26@ 9:30AM Fall Classic 5K - 10/4/26 @ 9:30AM Winter Classic 5K - 12/6/26 @ 9:30AM NOTE:  All Season Pass Gift Certificates must be redeemed no later than March 29, 2026 by 9 AM.  The final day for the Individual Race Gift Certificate is December 6th, 2026.

🍀 St. Patrick’s Day Virtual Run – Run Bold. Run Lucky. Run Strong. 🍀 Celebrate the spirit of St. Patrick’s Day with more than just luck — celebrate it with Pride! Choose one of two T-shirt Designs:- St. Patrick with Beer: Our exclusive Kelly Green performance tee features an intricate, art-inspired design that commands attention. Ornate gold detailing, dynamic movement, and bold St. Patrick’s Day elements come together in a rich, eye-catching composition that stands out against the vibrant green backdrop. It’s more than a race shirt — it’s a statement piece. - Leprechaun with Clover: The shamrocks, Celtic design, and bold green-and-gold palette instantly scream St. Patrick’s Day!Our St. Patrick’s Day Virtual Run is your chance to chase your goals, conquer your miles, and earn your pot of gold the only way that matters: one determined step at a time. Whether you're running your fastest 5K yet or simply getting out there to move, this run is about heart, resilience, a

Start and finish in beautiful downtown Cambridge, Massachusetts. Take a springtime stroll or sprint down Mass Ave. The course is fast and flat so you can get back to the post-race party sooner! Registration fees: $40 – until 1/20 $42.50 – 1/21 to 2/22 $45 – 2/23 to 3/22 $50 – 3/23 to race day (if available)

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.

Starts and finishes in beautiful downtown Cambridge, Massachusetts Make it a summer stroll or an all-out sprint down Massachusetts Avenue. The course is fast and flat so you can get back to the finish line sooner! Registration fees: $40 through 4/12 $42.50 from 4/13 through 5/17 $45 from 5/18 through 6/21 $50 from 6/22 through race day

Start and finish in beautiful downtown Cambridge, Massachusetts. Take an Autumn stroll or sprint down Mass Ave. The course is fast and flat so you can get back to the post-race party sooner! Registration Fees:Cambridge Classic races sell out. Sign up early for the best prices.$40 – until 7/19$42.50 – 7/20 to 8/23$45 – 8/24 to 9/27$50 – 9/28 to Race Weekend (if available)

The Cambridge 5K is the kickoff to race weekend! It's a 3.1-mile course that starts and finishes at CambridgeSide. It's a quick out and back along the Charles River that will have you in awe of the Boston skyline. The Cambridge Half Marathon is a 13.1-mile USATF certified course that starts and finishes at CambridgeSide. It is a fast and flat course along Memorial Drive featuring views of the Charles River, MIT, John W. Weeks Footbridge, Harvard University Stadium, and more.

Join us for a chilly run of the Winter Classic 5K!Start and finish in beautiful downtown Cambridge, Massachusetts.Make it a winter stroll or an all-out sprint down Mass Ave. The course is fast and flat so you can get back to the finish line sooner!Festive attire is encouraged but not mandatory. REGISTRATION FEES: $40 until 10/11$42.50 from 10/12 through 11/1$45 from 11/2 through 11/29$50 from 11/30 through Race Day (if available)

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