JUST IN ; Sha’Carri Richardson BACKS another word record and a purple track take center stage

Track and field gets underway Friday with a full slate of events staged on and around a decidedly purple track. In the pool, medals are up for grabs in the men’s 50-meter freestyle, the women’s 200 backstroke and the men’s 200 individual medley. The U.S. men’s soccer team will play in its first Olympic quarterfinal in 24 years, and reigning Wimbledon and French Open champion Carlos Alvarez takes on Felix Auger-Aliassime of Canada in a men’s tennis semifinal. Follow along for live updates and highlights from the Summer Games in Paris.