Swimming at the 1964 Summer Olympics
At the 1964 Summer Olympics, eighteen swimming events were contested, ten for men and eight for women. There was a total of 405 participants from 42 countries competing. For the first time, the 4×100 metres freestyle relay for men and the 400 metres individual medley for both men and women was contested. Olympic records were broken in all events and the world record was broken in ten events. This competition also marked the debut of electronic touchpads for timing.
405 swimmers from 42 nations competed.
Coordinates: 35°40′04″N 139°42′01″E / 35.6678°N 139.7003°E
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