Titmus wins duel in the pool as Dressel launches Olympic gold rush
over 4 years in EWN
The Tokyo Aquatics Centre also witnessed a dominant 100m breaststroke swim by world record holder Adam Peaty, who defended his title to give Britain its first gold medal of the Games. Elsewhere on the third day of action in Tokyo, Norway's Kristian Blummenfelt won the men's triathlon in a race marred by a bizarre false start.