Spectator Guide · TTP Cambridge Half Marathon + 5K

TTP Cambridge Half Marathon Spectator Guide

October 29, 2026 · 3 min read

Large half marathon in Cambridge. Base at the start/finish area.

In this guide

At a glance

Date
Saturday, October 31, 2026
Location
Cambridge, MA
Distances
Half Marathon, 5K
Field size
About 10,000 runners
Registration
runsignup.com

The TTP Cambridge Half Marathon is a large field event in Cambridge. Spectators should base at the start/finish area.

Best places to stand

  • Start/finish: Cambridge start and finish area.
  • Course: sidewalks along the published route.

Getting there

Use the official parking and closure information. Arrive early.

Where to meet

Agree on a landmark outside the finish chute.

Keep exploring

Common questions

When is the TTP Cambridge Half Marathon + 5K?
Saturday, October 31, 2026.
How do I register for the TTP Cambridge Half Marathon + 5K?
Registration is handled by the organizer at runsignup.com.