Sydney McLaughlin with proud coaches Luiz Cartagena and Mike McCabe after qualifying for the U.S. Olympic team in the 400m hurdles today. Her time of 54.15 is a new national high school record, American junior record and world junior record! 📸: jojo_shea #roadtorio #tracktown16 #olympictrials #olympian #tracknation #trackandfield #rio2016