Running

Cambridge Half Marathon + 5K

Oct 31 - Nov 1, 2026 · Cambridge, United States · 21.1 km

Date

Oct 31 - Nov 1, 2026

Where

Cambridge, MA

Country

United States

Sport

Running

Races

2 distances

Starts

In 9 weeks

Entry

In 9 weeks

Oct 31, 2026

Register on organiser site ↗

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Distances

Half Marathon21.1 km
5 km5 km

About the race

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.