Massachusetts · Half Marathon · 5K
TTP Cambridge Half Marathon + 5K
TTP Cambridge Half Marathon + 5K is a half marathon and 5K event held in Cambridge, Massachusetts. Its next confirmed date is Saturday, October 31, 2026. About 10,000 runners take part across all distances.
- Race day
- October 31, 2026
- Location
- Cambridge, MA
- Field size
- ~10,000 runners
Race details
- Date
- Saturday, October 31, 2026
- Location
- Cambridge, Massachusetts
- Distances
- Half Marathon, 5K
- Field size
- About 10,000 runners
- Course
- Flat and fast; minimal elevation change along Memorial Drive beside the Charles River
- Registration
- runsignup.com
- Official website
- cambridgeside.com
About the TTP Cambridge Half Marathon + 5K
A fast, flat USATF-certified half marathon and 5K starting and finishing at CambridgeSide, running along Memorial Drive with views of the Charles River, MIT, and Harvard Stadium.
Rankings and notes
- Rankings and awards
- One of New England's largest half marathons; USATF-certified course
- Notes
- [enrich 2026-09-24] Stored website field previously pointed to cambridgehalfmarathon.com, which is a DIFFERENT race (the UK "TTP Cambridge Half Marathon" in Cambridge, England, next running 2027-03-14). Corrected website to the official CambridgeSide organizer event page for this Cambridge, MA race (source https://raceraves.com/races/cambridge-half-marathon-5k/, which lists cambridgeside.com as…
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
TTP Cambridge Half Marathon + 5K: common questions
- When is the TTP Cambridge Half Marathon + 5K?
- The next confirmed date is Saturday, October 31, 2026.
- Where is the TTP Cambridge Half Marathon + 5K held?
- In Cambridge, Massachusetts.
- What distances does the TTP Cambridge Half Marathon + 5K offer?
- Half Marathon and 5K.
- How many people run the TTP Cambridge Half Marathon + 5K?
- About 10,000 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the TTP Cambridge Half Marathon + 5K?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.