Eight-year gap for Duke, Antwerp 1920
Hawaiian swimmer Duke Kahanamoku was forced to wait eight years to defend his 1912 Olympic gold, when the First World War prevented the staging of the 1916 Games.
However, the USA athlete made up for lost time in Antwerp in 1920, not only defending his 100 metres freestyle title, but also claiming gold with the 4x100m freestyle relay team in a world record time.
Kahanamoku was denied an unprecedented third consecutive 100m freestyle gold at Paris 1924, coming in second behind fellow US swimmer Johnny Weissmuller.
The Hawaiian went on to make the back-up lists for the 1928 and 1932 Games, before heading to Hollywood to become an actor.
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