3 consecutive gold medals at Olympic Games – Klaus Dibiasi 7 consecutive gold medals at Olympic Games – United States 11 consecutive gold medals at Olympic Games – United States 5 consecutive gold medals at Olympic Games – China 7 consecutive gold medals at Olympic Games – United States 10 consecutive gold medals at Olympic Games – China 8 consecutive gold medals at Olympic Games – United States 7 consecutive gold medals at Olympic Games – China 6 consecutive gold medals at Olympic Games – China Johnny Weissmuller never lost a swimming race during his entire amateur career, including three individual Olympic gold medals.
He is purported to have told the other swimmers in his Olympic final that they could fight it out for second place.
Michael Phelps was similarly undefeated in the finals of the 200m butterfly for ten years before the 2012 Olympics, where he was defeated by Chad le Clos.
The last time Phelps had lost the race was in 2002 when he lost to Olympic champion Tom Malchow at the 2002 Pan Pacific Swimming Championships.
2 consecutive titles at Olympic Games – China 3 consecutive gold medals at Summer Olympics – Cuba 3 consecutive gold medals at Summer Olympics - Kerri Walsh Jennings & Misty May-Treanor * team disbanded after May-Treanor’s retirement following the 2012 London Olympics.