it s day two in the velodrome, and after winning silver in the mens team sprint, it s so far so good forjason kenny and jack carlin in the individual men s sprint. carlin had broken the olympic record this morning to qualify, although it was then broken again a few minutes later. but then he had no problem beating nathan hart of australia to reach the last 16. and in the last couple of minutes, jason kenny, who s the defending champion, has also made it through safely. what a run for the usa s sydney mclaughlin she broke her own world record in the women s aoom hurdles taking gold in the process. the defending champion, fellow american dalilah muhammad got away fastest but mclaughlin powered down the home straight to win gold in 51.46 seconds, and take almost half a second off the world record, muhamed getting silver. the new women s best follows norway s karsten warholm breaking his own world record in the men s aoom hurdles on tuesday.