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 7 weeks

Entry

In 7 weeks

Oct 31, 2026

Register on organiser site ↗

Racelify takes no cut. You register with the organiser directly.

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.

Questions racers ask

When does Cambridge Half Marathon + 5K take place?

Cambridge Half Marathon + 5K is scheduled for Oct 31 - Nov 1, 2026 — in 7 weeks.

Where is Cambridge Half Marathon + 5K held?

The running event takes place in Cambridge, MA, United States.

What distances can I race at Cambridge Half Marathon + 5K?

The listed distances are 21.1 km, 5 km.

How do I enter Cambridge Half Marathon + 5K?

You register on the organiser's own website — Racelify links straight to it and takes no cut of your entry.