Cambridge Half Marathon + 5K

Race Overview

• Event Title: Cambridge Half Marathon + 5K
• Date: 2026-10-31
• Location: 100 CambridgeSide Place, Cambridge, MA
• More Information: Visit the race page

5K Race Description

• Course Length: 3.1 miles
• Start/Finish: CambridgeSide
• Route: Quick out and back along the Charles River
• Highlights: Awe-inspiring views of the Boston skyline

Half Marathon Description

• Course Length: 13.1 miles
• Certification: USATF certified
• Start/Finish: CambridgeSide
• Route Features: Fast and flat course along Memorial Drive with views of the Charles River, MIT, John W. Weeks Footbridge, and Harvard University Stadium