Welcome to the Boston Athletic Association, the governing body for athletic competitions in Boston and the organizer of the iconic Boston Marathon. We exist to promote the health and well-being of our community through sportsmanship, education, and athletic competition. Our events, lead by the renowned Boston Marathon, are open to individuals of all levels of ability. Visit our site to register, learn about our races, and get involved in our community charitable works.

Uniting a community of athletes and supporters through sportsmanship, education, competition, and charity. Register for our races now.

BAA (Boston Athletic Association)

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About BAA (Boston Athletic Association)

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