Aaron Shackell reacts after winninga Men's 200 freestyle semifinals swim-off Sunday, June 16, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
Aaron Shackell reacts after winning the Men's 400 freestyle finals Saturday, June 15, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
Gretchen Walsh waves after a Women's 50 freestyle semifinals heat Saturday, June 22, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)
Regan Smith and Alex Shackell after the Women's 200 butterfly finals Thursday, June 20, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
Regan Smith and Alex Shackell celebrate after the Women's 200 butterfly finals Thursday, June 20, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
Alex Walsh swims during the Women's 200 individual medley finals Saturday, June 22, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)
Kate Douglass and Alex Walsh celebrate after the Women's 200 individual medley finals Saturday, June 22, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)
Gretchen Walsh swims during a Women's 50 freestyle preliminary heat Saturday, June 22, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)
Gretchen Walsh smiles after a Women's 50 freestyle semifinals heat Saturday, June 22, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)
Gretchen Walsh and Olivia Smoliga after a Women's 50 freestyle preliminary heat Saturday, June 22, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)