Usain Bolt to retire after 2017 World Championships
Jamaican sprinter Usain Bolt has confirmed that he will retire after the 2017 World Championships in London in August. Bolt also informed that the Racers Grand Prix later this year will be his last race in Jamaica. Bolt, who is the world recorder holder in 100-metre and 200-metre sprints, is expected to participate in both the races at the event.