Elis Ligtlee of Netherlands (C), Rebecca James of Great Britain (L) and Anna Meares of Australia celebrate at the awarding ceremony of the women's keirin final 1-6 of cycling track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Elis Ligtlee won the gold medal. (Xinhua/Li Ga)

Elis Ligtlee of Netherlands shows the gold medal at the awarding ceremony of the women's keirin final 1-6 of cycling track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Elis Ligtlee won the gold medal. (Xinhua/Li Ga)

Elis Ligtlee of Netherlands kisses the gold medal at the awarding ceremony of the women's keirin final 1-6 of cycling track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Elis Ligtlee won the gold medal. (Xinhua/Li Ga)   

 

Elis Ligtlee of Netherlands (1st L) competes during the women's keirin final 1-6 of cycling track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Elis Ligtlee won the gold medal. (Xinhua/Li Ga)

China's Zhong Tianshi competes during the women's keirin final 7-12 of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Zhong Tianshi ranked 11st. (Xinhua/Ren Zhenglai)

China's Zhong Tianshi competes during the women's keirin 7-12 final of cycling track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Zhong Tianshi ranked 11st. (Xinhua/Ren Zhenglai)

China's Zhong Tianshi (1st L) competes during the women's keirin 7-12 final of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Zhong Tianshi ranked 11st. (Xinhua/Ren Zhenglai)

China's Zhong Tianshi (front) competes during the women's keirin 7-12 final of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Zhong Tianshi ranked 11st. (Xinhua/Ren Zhenglai)

 

China's Zhong Tianshi (1st L) competes during the women's keirin competition of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Zhong Tianshi ranked 11st. (Xinhua/Li Ga)

China's Zhong Tianshi prepares prior to the women's keirin 7-12 final of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Zhong Tianshi ranked 11st. (Xinhua/Li Ga)

China's Zhong Tianshi (1st R) competes during the women's keirin 7-12 final of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Zhong Tianshi ranked 11st. (Xinhua/Li Ga)