Anna Cockrell talks mindset after winning 400m hurdles semifinal at Olympic trials [NVAdSDoNSBx]

Former USC stalwart hurdler Anna Cockrell describes her mindset before going into a 400m hurdles semifinal race at the US Olympic Trials in Eugene, Oregon. During this interview, Cockrell also discusses her growth in the sport of track and field and the hurdles. During her semifinal win at Hayward Field, Cockrell ran a personal-best time of 52.95.