Zac Stubblety-Cook breaks world record in 200m breaststroke at Australian Swimming Championships - ABC News
3:58am PDT - May 19th, 2022 sports - ABC News (AU)Olympic gold medallist Zac Stubblety-Cook breaks the 200m breaststroke world record at the Australian Swimming Championships in Adelaide while Kyle Chalmers could deprive Cody Simpson of a championship spot.