Athletes Competitions Events Records Medals Women's Events Men's Events Athlete Performance Doping Relay Events Men's Swimming Coaching Katie Ledecky Relay Races Team USA Women's Swimming Marathon Swimming Competition National Teams Individual Medley Triathlon Performance Training Individual Events Historical Context Countries Competitive Swimming Water Quality Team Dynamics Team Events Freestyle Open Water Swimming Future Events Competitors Backstroke Athlete Achievements Athlete Performances Rivalries Qualification Medal Events Teams Artistic Swimming Controversies Event Analysis Men's 100m Breaststroke Breaststroke Event Results River Seine Michael Phelps Men's 4x100m Medley Relay Swimming Events Mental Health National Representation Team GB History Swimmers Medley Relay Venues Female Athletes Trials Men's 400-meter Individual Medley Marathon Swim Event Schedule Future Prospects Pool Design Doping Controversies Freestyle Events World Records Medal Standings Medal Counts Historical Significance Techniques Swimming Competitions Men's 50m Freestyle Achievements 400-meter Freestyle International Competition Disqualifications Men's Swimming Events 100m Butterfly Australia Team Canada Athlete Preparation Open-water swimming Open-Water Swimming Anti-Doping Efforts Integrity of the Sport 100m Backstroke Team Composition Impact on Athletes Olympic Games Athlete Experiences Selection Process Olympic Swimming Trials Australian Swimmers U.S. Team Comments Lilly King Commentary Career