RunRace USA › Massachusetts › Cambridge Half Marathon + 5K

Cambridge Half Marathon + 5K

Cambridge, Massachusetts · Saturday, October 31, 2026 · Half Marathon, 5K

Official race page & registration ↗

Cambridge Half Marathon + 5K takes place on Saturday, October 31, 2026 in Cambridge, Massachusetts. The race offers 2 distances: Half Marathon, 5K.

It is one of 18 races on the Massachusetts calendar that October.

Date
Saturday, October 31, 2026
Location
Cambridge, Massachusetts
Distances
Half Marathon, 5K
Entry fee
from $45 across event options; may include kids or shorter events. Check distance-specific prices and fees.

Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.

Making a race weekend of it?

Stay near the start line in Cambridge: check in Oct 30, out Nov 1.

Hotels on Booking.com ↗ Hotels on Expedia ↗

Common questions

When is Cambridge Half Marathon + 5K?

Cambridge Half Marathon + 5K is scheduled for Saturday, October 31, 2026.

Where is Cambridge Half Marathon + 5K held?

Cambridge Half Marathon + 5K is held in Cambridge, Massachusetts.

What distances does Cambridge Half Marathon + 5K offer?

The listed distances are Half Marathon, 5K.

How much does Cambridge Half Marathon + 5K cost?

Listed event options start from $45. This minimum may be for a kids or shorter event. Check the official race page for your distance's current price and any additional fees.

How do I register for Cambridge Half Marathon + 5K?

Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.

More races nearby

Within about 60 miles, ordered by approximate straight-line distance between listed locations.

See every race on the Massachusetts calendar, Massachusetts Half Marathons, Massachusetts 5Ks, or use the Race Finder for maps and filters.