Leon Marchand, of France, competes in the men's 400-meter individual medley final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Martin Meissner)
Nicolo Martinenghi, of Italy, celebrates after winning the men's 100-meter breaststroke final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Petr David Josek)
Leon Marchand, of France, competes in the men's 400-meter individual medley final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Martin Meissner)
Leon Marchand, of France, celebrates after winning the men's 400-meter individual medley final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Matthias Schrader)
Adam Peaty, of Britain, competes in the men's 100-meter breaststroke final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Matthias Schrader)
Gold medalist, Leon Marchand, left, of France, greets a fan after the men's 400-meter individual medley final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Bernat Armangue)
Nicolo Martinenghi, of Italy, top, is congratulated by Nic Fink, of the United States, after winning the men's 100-meter breaststroke final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Matthias Schrader)
Torri Huske, of the United States, reacts after winning the women's 100-meter butterfly final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Bernat Armangue)
Torri Huske, left, of the United States, hugs Gretchen Walsh, of the United States, after winning the women's 100-meter butterfly final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Bernat Armangue)
Supporters of Leon Marchand, of France, react after he won the men's 400-meter individual medley final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Matthias Schrader)
Leon Marchand, right, of France, competes in the men's 400-meter individual medley final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. Marchand set an Olympic record winning gold. (AP Photo/David J. Phillip)
Torri Huske, left, and Gretchen Walsh, of the United States, hug after the women's 100-meter butterfly final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. Huske won gold and Walsh won silver. (AP Photo/David J. Phillip)
Torri Huske, left, of the United States, waves after winning the women's 100-meter butterfly final with teammate Gretchen Walsh at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Petr David Josek)
Leon Marchand, of France, celebrates after winning the men's 400-meter individual medley final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Matthias Schrader)
Torri Huske, left, and Gretchen Walsh, of the United States, react after the women's 100-meter butterfly final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. Huske won gold and Walsh won silver. (AP Photo/David J. Phillip)
Leon Marchand, of France, celebrates after winning the men's 400-meter individual medley final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France.(AP Photo/Martin Meissner)
Nicolo Martinenghi, of Italy, celebrates after winning the men's 100-meter breaststroke final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Matthias Schrader)
Supporters of gold medalist Leon Marchand, of France, react following the men's 400-meter individual medley final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Matthias Schrader)
Leon Marchand, of France, celebrates after winning the men's 400-meter individual medley final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Bernat Armangue)
Torri Huske, left, of the United States, celebrates after winning the women's 100-meter butterfly final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France. (AP Photo/Martin Meissner)
Nic Fink, of the the United States, prepares to start in his heat in the men's 100-meter breaststroke at the 2024 Summer Olympics, Saturday, July 27, 2024, in Nanterre, France. (AP Photo/Matthias Schrader)
Gold medalist Leon Marchand, foreground center, of France, stands with silver medalist Tomoyuki Matsushita, foregound left, of Japan, and bronze medalist Carson Foster, of the United States, following the men's 400-meter individual medley final at the 2024 Summer Olympics, Sunday, July 28, 2024, in Nanterre, France.(AP Photo/Petr David Josek)