![Darron Cummings 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)](https://mapi.associatedpress.com/v2/items/eb437490f1984e719675b2b91838099d/preview/preview.jpg?s=680x&wm=false)
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)
![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)](https://mapi.associatedpress.com/v2/items/3c62b39811d842899e19a44b7147cc74/preview/preview.jpg?s=680x&wm=false)
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)
![Michael Conroy 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)](https://mapi.associatedpress.com/v2/items/a1af082fd0a0474daeee5ed9bb163831/preview/preview.jpg?s=680x&wm=false)
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)
![Darron Cummings 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)](https://mapi.associatedpress.com/v2/items/ec5b42388b324bae872cefe37ab10b83/preview/preview.jpg?s=680x&wm=false)
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)
![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)](https://mapi.associatedpress.com/v2/items/bcdc74005a1c4a9c92a7a0c692b673ee/preview/preview.jpg?s=680x&wm=false)
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)
![Michael Conroy 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)](https://mapi.associatedpress.com/v2/items/d8bf28c747714c348b67cf6f1c576a39/preview/preview.jpg?s=680x&wm=false)
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)
![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)](https://mapi.associatedpress.com/v2/items/995334087641447eaa35c6de28ae4e35/preview/preview.jpg?s=680x&wm=false)
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)
![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)](https://mapi.associatedpress.com/v2/items/86b6f53946d0444ca7d811ab48b03c25/preview/preview.jpg?s=680x&wm=false)
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)
![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)](https://mapi.associatedpress.com/v2/items/cae9aa5c72e541449460d87b3effd9e8/preview/preview.jpg?s=680x&wm=false)
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)
![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)](https://mapi.associatedpress.com/v2/items/38813c614d4041b8b83e378fdd8bcb4d/preview/preview.jpg?s=680x&wm=false)
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)