Athletes Competitions Events Records Medals Women's Events Men's Events Athlete Performance Doping Relay Events Katie Ledecky Coaching Men's Swimming Team USA Women's Swimming Relay Races Marathon Swimming Competition National Teams Individual Medley Triathlon Performance Training Individual Events Historical Context Countries Competitive Swimming Water Quality Team Dynamics Team Events Open Water Swimming Freestyle Future Events Competitors Backstroke Team GB Athlete Achievements Rivalries Qualification Athlete Performances 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 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 100-Meter Butterfly Comments Lilly King Commentary