Massachusetts · 4 Miles
Captain of the Castle
Captain of the Castle is a 4 Miles event held in Boston, Massachusetts. It was last held on August 20, 2026 and is usually run in August; the next date hasn't been announced yet.
- Usually held
- August
- Location
- Boston, MA
Race details
- Last held
- August 20, 2026
- Usually held in
- August
- Location
- Boston, Massachusetts
- Distances
- 4 Miles
- Registration
- runsignup.com
Registration, course & weather
- Registration status
- Registration status as last checked October 20, 2026: closed
- Start time
- 7:00 PM EDT
About the Captain of the Castle
Welcome to the Captain of the Castle , an unsanctioned relay race in the heart of Boston, presented by Endorphins Running and New Balance. As the sun sets over Boston, runners will speed around one of the most storied loops in the city: the perimeter of the Castle Island harbor loop. Four runners, one mile each, to determine who will be the Captain of the Castle. This is a night to bring the running communities of Boston together. Grab your crew of four and register as a relay team, or sign up …
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Captain of the Castle: common questions
- When is the Captain of the Castle?
- The next date hasn't been announced in the listing yet. The race is usually held in August. Check the organiser's website for the official date.
- Where is the Captain of the Castle held?
- In Boston, Massachusetts.
- What distances does the Captain of the Castle offer?
- 4 Miles.
- How do I register for the Captain of the Castle?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Captain of the Castle?
- Registration status as last checked October 20, 2026: closed.
- What time does the Captain of the Castle start?
- 7:00 PM EDT.
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.