The winner of the 2025 Boston Marathon men's elite race was John Korir from Kenya, who finished with a time of 2:04:45. He is the younger brother of Wesley Korir, the 2012 Boston Marathon champion. John Korir's time was the second-fastest in the history of the men's race and nearly eight minutes faster than his brother's winning time
. In the women's elite race, Sharon Lokedi from Kenya won with a course record time of 2:17:22, preventing Hellen Obiri from winning a third consecutive title. All three women on the podium surpassed the previous course record
. In the men's wheelchair division, Marcel Hug of Switzerland won his eighth Boston Marathon title with a time of 1:21:32, setting the course record for the third time since his first win in 2015
. In the women's wheelchair division, American Susannah Scaroni won her second Boston Marathon title with a time of 1:35:20