FILE - In this Sunday, Aug. 23, 2015 file photo, Jamaica's Usain Bolt, right, wins the gold medal in the men's 100m ahead of United States' Justin Gatlin, left, at the World Athletics Championships at the Bird's Nest stadium in Beijing. Bolt, who had been trailing for almost the entire race, beat Gatlin with a lunge at the line. (AP Photo/Lee Jin-man, File)