Kaylee McKeown, of Australia, celebrates after winning the women's 100-meter backstroke final at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Bernat Armangue)
Kaylee McKeown, of Australia, reacts as she holds her gold medal following the women's 100-meter backstroke final at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Petr David Josek)
Britain's men's 4x200-meter freestyle relay team celebrates after winning at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Ashley Landis)
Daniel Wiffen, of Ireland, celebrates after winning the men's 800-meter freestyle final at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Ashley Landis)
Daniel Wiffen, of Ireland, celebrates after winning the men's 800-meter freestyle final at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Matthias Schrader)
Britain's men's 4x200-meter freestyle relay team celebrates after winning the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Ashley Landis)
Regan Smith, of the United States, wins during a women's 100-meter backstroke semifinal at the 2024 Summer Olympics, Monday, July 29, 2024, in Nanterre, France. (AP Photo/Ashley Landis)
Regan Smith, of the United States, competes in the women's 100-meter backstroke final at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Bernat Armangue)
Kaylee McKeown, of Australia, after winning the women's 100-meter backstroke final at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Petr David Josek)
Bobby Finke, of the United States, prepares to start in his heat of the men's 800-meter freestyle at the 2024 Summer Olympics, Monday, July 29, 2024, in Nanterre, France. (AP Photo/Matthias Schrader)
Daniel Wiffen, of Ireland, competes in the men's 800-meter freestyle final at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Petr David Josek)
Swimmers compete in the 4x200-meter freestyle relay at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Bernat Armangue)
Leon Marchand, of France, reacts following the men's 200-meter breaststroke semifinal at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Ashley Landis)
Kaylee McKeown, of Australia, celebrates after winning the women's 100-meter backstroke final at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Ashley Landis)
Kaylee McKeown, of Australia, competes during a women's 100-meter backstroke semifinal at the 2024 Summer Olympics, Monday, July 29, 2024, in Nanterre, France. (AP Photo/Martin Meissner)
Team Britain celebrate after winning the men's 4 x 200-meter freestyle relay at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/David J. Phillip)
Gold medalist Kaylee McKeown, of Australia, center, poses with silver medalist Regan Smith, of the United States, left, as bronze medalist Katharine Berkoff, of the United States, following the women's 100-meter backstroke final at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Petr David Josek)
Bobby Finke, of the United States, competes during a heat in the men's 800-meter freestyle at the 2024 Summer Olympics, Monday, July 29, 2024, in Nanterre, France. (AP Photo/David J. Phillip)
Daniel Wiffen, of Ireland, competes in the men's 800-meter freestyle final at the 2024 Summer Olympics, Tuesday, July 30, 2024, in Nanterre, France. (AP Photo/Ashley Landis)
Gold medalist Australia's Kaylee McKeown, centre, stands with silver medalist, Regan Smith of the United States, left, and bronze medalist Katherine Berkoff of the United States on the podium for a selfie following women's 100-meter backstroke final at the 2024 Summer Olympics, Monday, Tuesday, July 30, 2024. (AP Photo/Matthias Schrader)