Meet Léon Marchand, the French Swimmer Who Broke Phelps' Record

He beat the long-standing record by a smashing 1.34 seconds on Sunday, making him the world record holder in the long course 400m individual medley.

Michael Phelps' last individual world record snapped by French swimmer Leon Marchand

Leon Marchand and Summer McIntosh are sure to star in the pool at Paris Olympics

Marchand nearly tops a Michael Phelps World Record in Worlds 400 IM

Leon Marchand Continues to Prove His Status as World's Best Swimmer

2024 Paris Olympics: Meet the ASU swimmer representing France

Marchand smashes Phelps' 15-year record at worlds – FBC News

The Next Michael Phelps May Be a 20-Year-Old Frenchman - WSJ

Meet Léon Marchand, the French Swimmer Who Broke Phelps' Record

Leon Marchand and Summer McIntosh are sure to star in the pool at Paris Olympics

Katie Ledecky's 800 free win breaks golds tie with Michael Phelps - ESPN

Marchand Opens FINA World Championships With Second-Fastest 400 IM Time in History - Arizona State University Athletics