Usain Bolt (2nd, L) of Jamaica competes during a men's 100m round 1 heat at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. (Xinhua/Lui Siu Wai)
Usain Bolt (2nd, L) of Jamaica competes during a men's 100m round 1 heat at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. (Xinhua/Lui Siu Wai)