Sha’Carri Richardson and Noah Lyles cruised through their first-round races of the 100 meters on Thursday at the U.S. championships.

"Give us more practice and we’ll be fine." After another disappointing showing, one member of the United States men's 4x100 relay offered up a potential solution.

A slow exchange left the American 4x100-meter relay team out of medal contention at the Olympics.

The Jamaican sprinter and her Olympic-record time captured everyone’s attention.

Bromell finished a ragged fourth in the second heat, clocking 10.05 seconds - with only the first three progressing automatically.