Katie Ledecky Medals Leon Marchand Luana Alonso Summer McIntosh Freestyle Daniel Wiffen Relay Races Team GB Men's 100m Breaststroke Athlete Conduct 1500m Freestyle Ryan Murphy 4x200m Freestyle Women's Freestyle Men's 800m Freestyle Zhang Yufei Léon Marchand COVID-19 Impact Adam Peaty 50m Freestyle 200m Backstroke Doping Scandals Gymnastics Men's 50m Freestyle Cycling Thomas Ceccon Health Risks Chinese Athletes Individual Performances Basketball Athletes Men's Swimming Heats Women's 100m Breaststroke Women's 100-Meter Butterfly Men's 100-Meter Breaststroke COVID-19 Men's 200m Freestyle Backstroke Women's 100m Freestyle