Jamaican runner Nesta Carter filed an appeal with the Court of Arbitration for Sport on Wednesday regarding a doping positive from the 2008 Olympics, which cost Usain Bolt one of his nine golds.
Even with its sixth straight title in the men's 4x400-meter relay, the United States still finished behind Jamaica and Kenya with only six gold medals at this year's world championships.
Shortly after Usain Bolt won a fourth 200-meter title and a 10th gold overall at the world championships, a cameraman on a Segway banged into the Jamaican from behind.
If you heckle U.S. sprinter Justin Gatlin's mother, he will respond -- even if he's in the middle of an awards ceremony.
After two years of uncertainty, Usain Bolt produced his biggest clutch performance Sunday, beating rival Justin Gatlin with a lunge at the line to win the 100-meter title.
Justin Gatlin and Usain Bolt moved closer to setting up the biggest duel of the world championships, striding into the 100-meter semifinals after Saturday's heats.
