Usain Bolt, of Jamaica, wins the 100-meter final ahead of Yohan Blake and Asafa Powell, both of Jamaica, in the Racers Grand Prix track and field event at the National Stadium in Kingston, Jamaica, Saturday, June 11, 2016. (AP Photo/Collin Reid)
Usain Bolt, of Jamaica, wins the 100-meter final ahead of Yohan Blake and Asafa Powell, both of Jamaica, in the Racers Grand Prix track and field event at the National Stadium in Kingston, Jamaica, Saturday, June 11, 2016. (AP Photo/Collin Reid)