XI'AN, Sept. 20 (Xinhua) -- London Olympic race walking gold medalist Chen Ding has decided to retire after finishing fifth in the 14th National Games here on Monday.
"After today, I'll go back behind the scenes," the 29-year-old said after the Games.
"I was not selected in the Tokyo Olympic roster, and ranked fifth in the National Games. I don't have any regrets about this. It's been a tough route for me
