China's Ding wins gold in 20km walk
- From the section Olympics
Ding Chen wins gold in the men's 20km walk and sets a new Games record to become China's first race walker to win an Olympic medal.
Compatriot Zhen Wang was also among the medals as he finished third behind Erick Barrondo of Guatemala.
Ding, 19, was taking part in his first major championships and timed his move to perfection as he raced clear of the rest of the chasing pack.
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