Cambridge 5K

NOV
1
2025
Read all about the Cambridge 5K on 1 Nov 2025 in East Cambridge.
Sat 1 Nov 2025
Half Marathon 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

About the race

Cambridge 5K is a weekend running event in Cambridge, Massachusetts, serving as the 5K kickoff to the Cambridge Half Marathon + 5K weekend. The race takes place on Saturday and is complemented by the Cambridge Half Marathon and a combined challenge. All finishers receive a race medal, with awards for the top overall male, female, and non-binary finishers and for top finishers in age divisions.

Runners receive a long-sleeve technical shirt included in registration; shirts can be mailed for a $30 fee or picked up with bibs. The event is run by CS Race Series and features sponsors and fundraising options. Visit the organization's website for the most recent information.

Half Marathon
Cambridge Half Marathon
5 km
5 km
Cambridge Half Marathon + 5k Challenge

Events nearby