Jamaica's Olympic champion Usain Bolt greets the crowd while riding around the National Stadium before running his final 100 meters sprint at the 2nd Racers Grand Prix, in Kingston, Jamaica June 10, 2017. An emotional Usain Bolt recovered from a moderate start to win his final 100 meters sprint on home soil, clocking 10.03 seconds at the 2nd Racers Grand Prix in Kingston on Saturday. The multiple Olympic and world gold medalist, who will retire after August's world championships in London, confessed to being a nervous wreck before running his last race on Jamaican soil. (Photo/Agencies)