Boston Athletic Association

Sports association for the city of Boston, hosts such events as the Boston Marathon

The Boston Athletic Association (B.A.A.) is a non-profit dedicated to organized sports, with a focus on running, in the Greater Boston area. The B.A.A. hosts such events as the Boston Marathon, the B.A.A. 5K, the B.A.A. 10K, the B.A.A. Half Marathon, the B.A.A. Distance Medley, and the B.A.A. Invitational Mile.