Courtney Lindsey, of the United States, starts the final leg in the men's 4x100-meter relay heat at the 2024 Summer Olympics, Thursday, Aug. 8, 2024, in Saint-Denis, France. (AP Photo/Mark Baker)
Sha'carri Richardson, right, of the United States, and Rebekka Haase, of Germany, in the women's 4x100-meter relay heat at the 2024 Summer Olympics, Thursday, Aug. 8, 2024, in Saint-Denis, France. (AP Photo/Petr David Josek)
Christian Coleman, right, of the United States, hands off to Fred Kerley teammate during a heat in the men's 4 x 100-meter relay at the 2024 Summer Olympics, Thursday, Aug. 8, 2024, in Saint-Denis, France. (AP Photo/Bernat Armangue)
Germany, the United States, and Australia compete in a women's 4 x 100 meters relay round 1 heat at the 2024 Summer Olympics, Thursday, Aug. 8, 2024, in Saint-Denis, France. (AP Photo/Martin Meissner)
Courtney Lindsey, right, of the United States, runs in the men's 4x100-meter relay heat at the 2024 Summer Olympics, Thursday, Aug. 8, 2024, in Saint-Denis, France. (AP Photo/Petr David Josek)
Poland, Germany, the United States, and Australia compete in a women's 4 x 100 meters relay round 1 heat at the 2024 Summer Olympics, Thursday, Aug. 8, 2024, in Saint-Denis, France. (AP Photo/Martin Meissner)
Sha'carri Richardson, of the United States, and Rebekka Haase, of Germany, compete in a women's 4 x 100 meters relay round 1 heat at the 2024 Summer Olympics, Thursday, Aug. 8, 2024, in Saint-Denis, France. (AP Photo/Martin Meissner)
Courtney Lindsey, of the United States, leads his heat in the men's 4x100-meter relay at the 2024 Summer Olympics, Thursday, Aug. 8, 2024, in Saint-Denis, France. (AP Photo/Mark Baker)
Ackeem Blake, right, of Jamaica, hands off to teammate Jelani Walker during a heat in the men's 4 x 100-meter relay at the 2024 Summer Olympics, Thursday, Aug. 8, 2024, in Saint-Denis, France. (AP Photo/Bernat Armangue)
Sha'carri Richardson, of the United States, and Rebekka Haase, of Germany, compete in a women's 4 x 100 meters relay round 1 heat at the 2024 Summer Olympics, Thursday, Aug. 8, 2024, in Saint-Denis, France. (AP Photo/Martin Meissner)