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Women's 100 metre butterfly at the Games of the XXVIII Olympiad
Australia's Petria Thomas, who finished fourth in Sydney, won her first individual gold medal in this event, outside the Olympic record time of 57.72 seconds. The silver medal was awarded to Poland's Otylia Jędrzejczak, who trailed behind Thomas by 0.12 of a second, in an outstanding time of 57.84. Defending Olympic champion and world record holder Inge de Bruijn of the Netherlands, on the other hand, took home the bronze at 57.99 seconds.
Records
Prior to this competition, the existing world and Olympic records were as follows.