Gatlin sends Bolt a warning after winning 200m in 19.57 at US trials

Justin Gatlin (centre) crosses the finish line to win the 200 metres. Photograph: Christian Petersen/Getty Images Controversial Justin Gatlin set the stage for a World Championship showdown with......

Meet the man who ran 2015's fastest 100 metres

Asafa Powell of Jamaica. Photograph: Phil Noble /Reuters Asafa Powell ran the fastest 100 meters in the world this year when he clocked a blazing 9.84 seconds at the Jamaica International......