Sydney McLaughlin broke her own World junior record over 400m hurdles on Friday 27 April at National Relay CHampionships in Fayetteville, Arkansas.
The 18-year-old Freshman from University of Kentucky crossed the line in a stroming 53.60 seconds. McLaughlin's time is also new World lead and #4 NCAA all time. She is also holds 2018 World lead in the 400m dash with 50.07 seconds.