American at the last two Bostons; Jessica McClain, fourth at the 2024 U.S. Olympic Trials in both the marathon and 10,000m; Sara Hall, national masters record holder; Sara Vaughn, top American at the 2024 TCS New York City Marathon, and Lindsay Flanagan, ninth at the 2023 World Championships.
The top Americans finished sixth in both races. Conner Mantz led the men and Sara Vaughn the women. Vaughn was in the lead group heading into Mile 20 when they entered the Bronx before she dropped off the lead pack.