The world’s fastest man extended his speedy 6-foot frame to its fullest on Sunday in a 4×100-meter relay race and led his Jamaican team to a win in world record time. On Saturday, Usain Bolt confirmed ...

RIO DE JANEIRO - The U.S. men's 4x400-meter relay held off a late challenge by Jamaica to rebound and win gold in the event, a day after the Americans' 4x100 relay men's team was disqualified. Bahamas ...

Carter's positive re-test disqualified the Jamaican 4x100m relay from gold at the 2008 Beijing Olympics. Jamaica's Nesta Carter after a men's 100 metres qualifier at the 2013 IAAF World Championships ...

GUANGZHOU, China, May 10 (Reuters) - Italy, Canada and Jamaica reached the mixed 4x100 metres relay final in the event's global debut while heavyweights the United States experienced mixed fortunes on ...

GUANGZHOU, China (Reuters) -Italy, Canada and Jamaica reached the mixed 4×100 meters relay final in the event’s global debut while heavyweights the United States experienced mixed fortunes on a ...