RIO DE JANEIRO, BRAZIL - AUGUST 19: Hong Liu of China celebrates winning gold in the Women's 20km Walk final on Day 14 of the Rio 2016 Olympic Games at Pontal on August 19, 2016 in Rio de Janeiro, Brazil. (Photo by Julian Finney/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 19: Hong Liu of China celebrates winning gold in the Women's 20km Walk final on Day 14 of the Rio 2016 Olympic Games at Pontal on August 19, 2016 in Rio de Janeiro, Brazil. (Photo by Julian Finney/Getty Images)