The teenage phenom from Canada is chasing five golds in Singapore, but her showdown with the sport’s longtime 800m free queen could signal a passing of the torch The teenage phenom from Canada is chasing five golds in Singapore, but her showdown with the sport’s longtime 800m free queen could signal a passing of the torch The schedule The swimming portion of the World Aquatics Championships takes place from 27 July through 3 August at the Singapore Sports Hub. The heats start at 10am local time