Cambridge Half Marathon + 5K
Sun, Nov 1, 2026, 7:00 AM EST
- Location
- Cambridge, MA
- 100 CambridgeSide Place, 02141
- Type
- RUN
Sign up and verify details on the organizer’s official page.
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Course feel, difficulty, and community fit are being added to this listing. Check back, and always confirm details on the official registration page.
Distances & registration
6 optionsRegistration for all distances is through the official signup link above.
- 5K
Sat, Oct 31, 10:00 AM EDT · From $49.83
Opens Dec 30, 2025, 9:00 AM EST · Closes Dec 31, 2025, 5:00 AM EST
- 5K
Sat, Oct 31, 10:00 AM EDT · From $49.83
Opens Dec 30, 2025, 9:00 AM EST · Closes Dec 31, 2025, 5:00 AM EST
- 13.1 Miles
Sun, Nov 1, 7:00 AM EST · From $109.50
Opens Dec 30, 2025, 9:00 AM EST · Closes Dec 31, 2025, 5:00 AM EST
+ 3 more optionsHide
- 13.1 Miles
Sun, Nov 1, 7:00 AM EST · From $109.50
Opens Dec 30, 2025, 9:00 AM EST · Closes Dec 31, 2025, 5:00 AM EST
Cambridge Half Marathon + 5K Challenge
Sat, Oct 31, 10:00 AM EDT · From $190.88
Opens Dec 30, 2025, 9:00 AM EST · Closes Dec 31, 2025, 5:00 AM EST
Cambridge Half Marathon + 5K Challenge Charity Run…
Sat, Oct 31, 10:00 AM EDT · From $190.88
Opens Dec 30, 2025, 9:00 AM EST · Closes Dec 31, 2025, 5:00 AM EST
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The course
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From the organizer
The Cambridge 5K is the kickoff to race weekend! It's a 3.1-mile course that starts and finishes at CambridgeSide. It's a quick out and back along the Charles River that will have you in awe of the Boston skyline.
The Cambridge Half Marathon is a 13.1-mile USATF certified course that starts and finishes at CambridgeSide. It is a fast and flat course along Memorial Drive featuring views of the Charles River, MIT, John W. Weeks Footbridge, Harvard University Stadium, and more.
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