Su Bingtian, first Chinese to run 100m under 10 seconds, says ‘goodbye, my dearest track’

Also the first Chinese man to reach an Olympic 100m final, Su announces his retirement from track and field in a social media post.

Asia’s men’s 100m record holder Su Bingtian announces retirement

China's top sprinter Su Bingtian, holder of the men's 100m Asian record, announced his retirement from athletics on Tuesday. Su made ...