125th Boston Marathon MONDAY OCTOBER 11 ----------------------------------------------- The Boston race is the fourth marathon major of 2021, delayed from April by the coronavirus pandemic ----------------------------------------------- START: Hopkinton East Main Street Ashland Framingham Route 135 Natick Wellesley Halfway point Charles River Route 16 Newton Route 30 Brookline FINISH: Boston Copley Square 5 Mile marker 5 Km marker ----------------------------------------------- Lelisa Desisa, World Athletics men’s marathon champion, targets third title. Yebrgual Melese heads women’s field on Boston debut ----------------------------------------------- PROFILE 400 Elevation in feet Ashland Framingham Natick Wellesley Newton Brookline Copley Square Boston “Heartbreak Hill” Situated near end of course when runners suffering from fatigue Miles 5 10 15 20 26.2 Kilometres 10 15 20 25 30 35 42.2 ----------------------------------------------- Source: Boston Athletic Association Pictures: Getty Images © GRAPHIC NEWS