Sydney McLaughlin breaks the world record at USATF Champs; Allyson Felix prepared for worlds
Sydney McLaughlin broke the world record in the 400m hurdles for the third time in the last year, this time at the United States Track and Field Athletics Championships. The Olympic champion clocked 51.41 seconds in Eugene, Oregon, improving on her previous 51.46 Olympic record. In total, McLaughlin has broken the record of 52.16 last …