With a boisterous crowd cheering him on, Léon Marchand began his home Olympics by cruising to the fastest time in the preliminaries of the 400-meter individual medley.

Michael Phelps is now in a broadcast seat, a mere observer rather than the driving force of U.S. swimming.

In an upset, Japanese swimming star Seto Daiya missed the final of the 400m IM.

Daiya Seto of Japan surprisingly failed to qualify for the 400-meter individual medley final on the opening night of swimming at the Tokyo Olympics.

Chase Kalisz knows what’s coming: Pain, and lots of it in the 400-meter individual medley that gets swimming underway at the Tokyo Olympics.