Women'S 400 Meter Hurdles Final. It wasn't until a hamstring injury took her. National record for vanessa kamga in discus throw:
Olympic gold medallist sydney mclaughlin broke her own women’s 400 metres hurdles world record at the u.s. Sydney mclaughlin shaved nearly a second off of her 400m hurdles world record time from june, crossing the line in 50.68 seconds for her first world title.more.