Summer Classic

JUN

28

2026

An in-person and virtual 5K in downtown Cambridge, MA along Massachusetts Avenue with a fast, flat course. Registrations open December 15, 2025; base fees start at $40 and a season pass is available.

Sun 28 Jun 2026

Cambridge, Massachusetts

Website

5 kilometers

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Summer Classic 5K

The Summer Classic 5K starts and finishes in downtown Cambridge, Massachusetts, near 64 Sidney St. The route runs along Massachusetts Avenue and is described as fast and flat.

Runners can choose a relaxed pace or a faster effort along the course. The event includes both an in-person race and a virtual option.

Distances:

5K in-person
5K virtual

Registration opens on 12/15/2025. Entry deadlines are different by entry type: in-person Summer Classic 5K registration closes 4/12/2026, the Virtual 5K registration closes 6/26/2026, and the Cambridge Classic 5K Season Pass registration closes 3/29/2026. Base fees shown are $40 for each 5K entry and $190 for the season pass. Registration fees increase by date and reach up to $50 through race day. Visit the organization's website for the most recent information.

5 km

Summer Classic 5k