Cambridge Half Marathon CambridgeSide: 11/2
CambridgeSide's annual Cambridge Half Marathon will take place on Sunday, November 2, 2025. The Cambridge Half Marathon is a 13.1 mile USATF certified course that starts and finishes at CambridgeSide. It is a fast + flat course along Memorial Drive featuring views of the Charles River, MIT, John W. Weeks Footbridge, Harvard University Stadium, and more.
Click here for Race Registration.
For sponsorship or volunteer opportunities, please email CSinfo@NEDevelopment.com.
The Cambridge Half Marathon at CambridgeSide supports many local charities including Cambridge Camping, City of Cambridge Scholarship Fund, and more!
Ready for a challenge? The Cambridge Half Marathon + 5K Challenge is an opportunity to complete both races during the Cambridge Half Marathon + 5K weekend while also earning a third medal!