![Darron Cummings Regan Smith swims during a Women's 100 backstroke semifinals Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/3581202675cc484dad6e1785d6e2c8a6/preview/preview.jpg?s=680x)
Regan Smith swims during a Women's 100 backstroke semifinals Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
![Darron Cummings Luke Whitlock and Carson Walker wait for times during the Men's 400 freestyle preliminaries Saturday, June 15, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/936b735b00e74a17b7d9a69a81956d0d/preview/preview.jpg?s=680x)
Luke Whitlock and Carson Walker wait for times during the Men's 400 freestyle preliminaries Saturday, June 15, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
![Michael Conroy Luke Whitlock looks at his time during the Men's 400 freestyle preliminaries Saturday, June 15, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)](https://mapi.associatedpress.com/v2/items/e13aaf8f8d824ccbb9cb5744d7bb1147/preview/preview.jpg?s=680x)
Luke Whitlock looks at his time during the Men's 400 freestyle preliminaries Saturday, June 15, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)
![Darron Cummings Regan Smith celebrates after a Women's 100 backstroke semifinals Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/a4a5600e0f0846928baf88845786b97d/preview/preview.jpg?s=680x)
Regan Smith celebrates after a Women's 100 backstroke semifinals Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
![Darron Cummings Jack Alexy and Caeleb Dressel shake hands after a Men's 100 freestyle semifinals heat Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/4cde53c4c03249a6b5fab0e1fffc0a18/preview/preview.jpg?s=680x)
Jack Alexy and Caeleb Dressel shake hands after a Men's 100 freestyle semifinals heat Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
![Darron Cummings Robert Finke swims during the Men's 800 freestyle finals Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/637d1d0c9d814620b0768d035e0ef9d0/preview/preview.jpg?s=680x)
Robert Finke swims during the Men's 800 freestyle finals Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
![Darron Cummings Regan Smith reacts after winning the Women's 100 backstroke finals Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/791aeecdda5a42bdad777290c18421ca/preview/preview.jpg?s=680x)
Regan Smith reacts after winning the Women's 100 backstroke finals Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
![Michael Conroy Regan Smith celebrates after a Women's 100 backstroke semifinals Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)](https://mapi.associatedpress.com/v2/items/fc77c24e74ca4cb198b2becb2b56816e/preview/preview.jpg?s=680x)
Regan Smith celebrates after a Women's 100 backstroke semifinals Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)
![Darron Cummings Regan Smith swims during a Women's 100 backstroke preliminary heat Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/129b7ab773614fa0b19cb22dbe3cb7a3/preview/preview.jpg?s=680x)
Regan Smith swims during a Women's 100 backstroke preliminary heat Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
![Darron Cummings Regan Smith swims during a Women's 100 backstroke preliminary heat Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/f374c3b927874528ba99a85bfc7c6c52/preview/preview.jpg?s=680x)
Regan Smith swims during a Women's 100 backstroke preliminary heat Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
![Darron Cummings Robert Finke swims during the Men's 800 freestyle finals Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/96a6b6ae70a54e4a8fe30675abdac858/preview/preview.jpg?s=680x)
Robert Finke swims during the Men's 800 freestyle finals Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
![Michael Conroy Regan Smith smiles after a Women's 100 backstroke preliminary heat Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)](https://mapi.associatedpress.com/v2/items/04826f49561a4cc3a6b989e4acaea858/preview/preview.jpg?s=680x)
Regan Smith smiles after a Women's 100 backstroke preliminary heat Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)
![Darron Cummings Caeleb Dressel swims during a Men's 100 freestyle semifinals heat Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/56e57a6859cc4eb6b3a8f4155abf76d2/preview/preview.jpg?s=680x)
Caeleb Dressel swims during a Men's 100 freestyle semifinals heat Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
![Darron Cummings Simone Manuel stretches before a Women's 100 freestyle semifinals heat Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/1af08e4a408142c293817da1d2cb1fe6/preview/preview.jpg?s=680x)
Simone Manuel stretches before a Women's 100 freestyle semifinals heat Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
![Darron Cummings Simone Manuel swims during a Women's 100 freestyle semifinals heat Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/10dd7e648b84457da455da15d0472cdb/preview/preview.jpg?s=680x)
Simone Manuel swims during a Women's 100 freestyle semifinals heat Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)
![Michael Conroy Regan Smith reacts after winning the Women's 100 backstroke finals Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)](https://mapi.associatedpress.com/v2/items/bb79c9be135f4e7dbeac7ce3b65fcda2/preview/preview.jpg?s=680x)
Regan Smith reacts after winning the Women's 100 backstroke finals Tuesday, June 18, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Michael Conroy)
![Darron Cummings Regan Smith swims during a Women's 100 backstroke semifinals Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)](https://mapi.associatedpress.com/v2/items/78a8a7b25af24ae9b188837154ac6419/preview/preview.jpg?s=680x)
Regan Smith swims during a Women's 100 backstroke semifinals Monday, June 17, 2024, at the US Swimming Olympic Trials in Indianapolis. (AP Photo/Darron Cummings)