Captain of the Castle
⚠️ 2027 edition: provisional information
The date is estimated from the 2026 edition (August 20, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.
Available distances
About
Captain of the Castle is an informal relay race in Boston for teams of four, racing on a scenic one-mile loop around the harbor at Castle Island. The 4 x Mile Relay (4 miles / 6.4 km in total) starts at 7 p.m. on August 19, 2027.
Runners take turns on the loop in this evening race, competing for titles in categories such as Fastest Overall Team and Best Team Spirit. Runners can register as a team or individually, in which case they join a mixed team made up of members from different clubs. A party follows the race, giving participants a chance to celebrate and connect with fellow running enthusiasts.
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