Sydney McLaughlin breaks her own 400meter hurdles world record CNN(00)

Sydney McLaughlin breaks her own 400meter hurdles world record CNN(00)

Image Gallery: Women's 400m World Record: History And Current Holder

Sydney McLaughlin breaks her own 400meter hurdles world record CNN Marileidy Paulino's golden moment AW Sydney McLaughlinLevrone smashes 400m hurdles world record in stunning Sydney McLaughlinLevrone Sets WR, Wins Gold in 400M Hurdles TIME Women's 400M Hurdles World Record History at James Alexis blog Sydney McLaughlinLevrone's Fastest 400Meter Hurdle Times Leading Up