Sydney McLaughlin, round one 400 meter hurdles, on to the next round. #roadtotokyo . . . . . . #sydneymclaughlin #usatf #tracktrials21 #jeffcohenphoto #olympian #400mhurdles #trackandfield #athletics #nbrunning #newbalance #tagheuer #trackgirls #sydthekid #syddakid @sydneymclaughlin16 @usatf @teamusa @newbalancerunning @tagheuer