📲 Subscribe to @olympics: http://oly.ch/Subscribe The USA's Sydney McLaughlin has set a new world record with a phenomenal run in the women's 400m hurdles final. The new Olympic champion broke her own world-best mark of 51.90, storming past compatriot Dalilah Muhammad down the home straight to win the Olympic gold medal in 51.46 seconds. Muhammad - the Rio 2016 Olympic … [Read more...]