Volunteer Code of Conduct Rights and Responsibilities Testimonials Vol of Fame Sections volunteer at a B.A.A. event volunteer at a B.A.A. event boston marathon Volunteer registration for the 129th Boston Marathon will open on December 9th, 2024. Thank you for your interest in volunteering with us! Learn More about the boston marathon B.A.A. 5K Volunteer registration for the 2025 Boston 5K will open on December 9th. Thank you for your support! Learn More about the B.A.A. 5K Boston 10K Volunteer registration for the 2025 Boston 10K will open in May 2025. Thank you for your support! Learn More about the Boston 10K Boston Half Volunteer registration for the 2024 Boston Half, presented by Dana-Farber Cancer Institute and the Jimmy Fund, is closed. Thank you for your interest! Learn More about the Boston Half CONTACT INFO B.A.A. Volunteer Program volunteer@baa.org 699 Boylston StreetBoston, MA 02116