Emma Weyant participates in the Women's 400 Individual Medley during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Michael Andrew participates in the men's 100 breaststroke during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Emma Weyant waves at the award ceremony after winning the Women's 400 Individual Medley at the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Chase Kalisz reacts after winning the Men's 400 Individual Medley during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Jeff Roberson)

Torri Huske participates in the Women's 100 Butterfly during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Emma Weyant reacts after winning the Women's 400 Individual Medley during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Chase Kalisz waves at the award ceremony after winning the Men's 400 Individual Medley at the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Chase Kalisz waves at the award ceremony after winning the Men's 400 Individual Medley at the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Kieran Smith reacts after winning the Men's 400 Freestyle during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Jeff Roberson)

Torri Huske smiles after winning her heat in the Women's 100 Butterfly during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Jeff Roberson)

Chase Kalisz hugs Jay Litherland after winning Men's 400 Individual Medley during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Jeff Roberson)

Kieran Smith participates in the Men's 400 Freestyle during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Emma Weyant reacts after winning the Women's 400 Individual Medley during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Jeff Roberson)

Emma Weyant participates in the Women's 400 Individual Medley during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Emma Weyant reacts after winning the Women's 400 Individual Medley during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Michael Andrew participates in the men's 100 breaststroke during wave 2 of the U.S. Olympic Swim Trials on Sunday, June 13, 2021, in Omaha, Neb. (AP Photo/Charlie Neibergall)