Cambridge Half Marathon + 5K
Date and time
Saturday, October 31, 2026
Location
100 CambridgeSide Place, Cambridge, MA
Date and time
Saturday, October 31, 2026
Location
100 CambridgeSide Place, Cambridge, MA
Date and time
Saturday, October 31, 2026
Location
100 CambridgeSide Place, Cambridge, MA
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.
Half marathon
5K
Marathon