Field size will be 30,000 official entrants for the 123rd running on April 15 BOSTON -- Registration for the 2019…

Boston Marathon participants who ran on behalf of more than 260 non-profit organizations raised $36.6 million for…

Familiar faces highlight today's B.A.A. 10K event The eighth annual B.A.A. 10K, presented by Brigham and Women’s…

The 2018 B.A.A. 10K, presented by Brigham and Women’s Hospital, will feature one of the strongest fields in its eight-…

Registration Opens Monday, September 10 at 10:00 a.m. ET Registration for the 2019 Boston Marathon will open on Monday…

The B.A.A. will ensure five additional women (all of whom started in Wave One) receive a financial award for their net-…