Norway's Karsten Warholm and USA's Sydney McLaughlin broke men's 400m hurdles and women's 400m hurdles world records at Tokyo Olympics by clocking 45.94 seconds and 51.46 seconds respectively. Georgian weightlifter Lasha Talakhadze lifted a total of 488kg to set the world record in men's +109kg category. USA's Caeleb Dressel broke the men's 100m butterfly record by clocking 49.45 seconds.