Massachusetts · Half Marathon
Boston Half Marathon (B.A.A. Half Marathon)
Boston Half Marathon (B.A.A. Half Marathon) is a half marathon event held in Boston, Massachusetts. Its next confirmed date is Sunday, November 8, 2026. About 9,000 runners take part across all distances.
- Race day
- November 8, 2026
- Location
- Boston, MA
- Field size
- ~9,000 runners
Race details
- Date
- Sunday, November 8, 2026
- Location
- Boston, Massachusetts
- Distances
- Half Marathon
- Field size
- About 9,000 runners
- Course
- Rolling hills through the Emerald Necklace
- Registration
- baa.org
Registration, course & weather
- Registration status
- Registration status as last checked October 2, 2026: sold out
- Start time
- 8:00 AM EST
- Course profile
- Out-and-back course; Road surface
About the Boston Half Marathon (B.A.A. Half Marathon)
A rolling half marathon through Boston and Brookline's Emerald Necklace park system organized by the Boston Athletic Association, drawing roughly 9,000 runners each November.
Rankings and notes
- Rankings and awards
- USATF-certified; final event of the B.A.A. Distance Medley; presented by Dana-Farber Cancer Institute and the Jimmy Fund.
More half marathons in Massachusetts
Coming up next, by confirmed date.
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Keep exploring
- All races in Massachusetts
- 5Ks in Massachusetts 111 upcoming races
- 10Ks in Massachusetts 12 upcoming races
- Half Marathons in Massachusetts 26 upcoming races
- Marathons in Massachusetts 3 upcoming races
- Running in Boston 14 upcoming races
- Half Marathons in the United States 1,828 upcoming races
- Fall Half Marathons
- November Half Marathons
- November races in Massachusetts
- Half Marathons in New York 58 upcoming races
- Half Marathons in Connecticut 12 upcoming races
- Half Marathons in New Hampshire 10 upcoming races
- Half Marathons in Vermont 12 upcoming races
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.
Boston Half Marathon (B.A.A. Half Marathon): common questions
- When is the Boston Half Marathon (B.A.A. Half Marathon)?
- The next confirmed date is Sunday, November 8, 2026.
- Where is the Boston Half Marathon (B.A.A. Half Marathon) held?
- In Boston, Massachusetts.
- What distances does the Boston Half Marathon (B.A.A. Half Marathon) offer?
- Half Marathon.
- How many people run the Boston Half Marathon (B.A.A. Half Marathon)?
- About 9,000 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 Boston Half Marathon (B.A.A. Half Marathon)?
- Registration is handled by the organiser at baa.org. Entry fees, caps and deadlines are set there.
- Is registration open for the Boston Half Marathon (B.A.A. Half Marathon)?
- Registration status as last checked October 2, 2026: sold out. $110 (from running.life, checked October 2, 2026).
- What time does the Boston Half Marathon (B.A.A. Half Marathon) start?
- 8:00 AM EST.
- What is the course like at the Boston Half Marathon (B.A.A. Half Marathon)?
- Out-and-back course; Road surface.
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.