B.A.A. 10K Registration Participants Results Volunteer Watch Brigham and Women's Hospital Sponsors Sections volunteer at the b.a.a. 10k volunteer at the b.a.a. 10k B.A.A. VOLUNTEERS TAKE PRIDE IN THEIR ROLE WITHIN OUR RACES AND WE ARE GRATEFUL FOR THEIR COMMITMENT AND SUPPORT. Registration Join us on Boston Common this November! Registration for the 2020 B.A.A. 10K will open in September 2020. Descriptions Learn about our B.A.A. 10K volunteer opportunities. To see a full list of potential job descriptions, click here.