RIO DE JANEIRO, BRAZIL - AUGUST 12: Zhen Wang of China celebrates winning gold in the Men's 20km Race Walk on Day 7 of the Rio 2016 Olympic Games at Pontal on August 12, 2016 in Rio de Janeiro, Brazil. (Photo by Ryan Pierse/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 12: Zhen Wang of China celebrates winning gold in the Men's 20km Race Walk on Day 7 of the Rio 2016 Olympic Games at Pontal on August 12, 2016 in Rio de Janeiro, Brazil. (Photo by Ryan Pierse/Getty Images)