"Men's 400 metres hurdles" . . "49.54" . . "400 m hurdles" . . "50.65" . "2016 Summer" . "49.84" . . "49.08" . "49.78" . "49.98" . "Present" . . . . "DQ" . . "51.47" . "50.58" . "400 m" . "heat three" . . "men's 400 m hurdles" . "48.07" . "2016" . . "400m hurdles" . "50.09" . "50.66" . "49.72" . "49.73" . "Olympics" . . "49.80" . "400 metres hurdles" . "48.56" . "48.46" . "Men's 400 m hurdles" . "semi-finals in the 400 m hurdles" . "49.17" . "Athletics at the 2016 Summer Olympics \u2013 Men's 400 metres hurdles" . "48.40s" . "49.87" . "48.87" . . "Athletics at the 2016 Summer Olympics \u2013 Men's 400 metres hurdles" . "X" . "49.95" . "48.40" . "men's 400 metres hurdles" . "49.75" . "49.46" . . "the 400 metres hurdles event" . "49.20" . "49.09" . "Olympic Games" . "52.77" . "47.78" . "2016 Olympics" . "a time of 49.05" . . "heat two" . "49.74" . . "50.22" . "50.41" . . "49.91" . "400 m hurdles" .