Olympic champion Sydney McLaughlin breaks her own world record in 400m hurdles ESPNSydney McLaughlin breaks her own 400m hurdle record at U.S. track championships Yahoo SportsSydney McLaughlin breaks world record at USATF Champs; Allyson Felix set for worlds NBC SportsSydney McLaughlin Smashes Her Own World Record At US Track Championships TeamUSA.orgUSA Track & Field Outdoor Championships 2022: Sydney McLaughlin sets world record, Day 3 results, live update OregonLiveView Full Coverage on Google News