It came down to the final 50 metres, but Australia’s Mack Horton made a splash when he clinched the men’s 400 metres freestyle, beating the 2012 Olympic champion in the process.<br /><br /> Horton finished in three minutes 41.55 seconds, a hair’s breadth ahead of China’s Sun Yang (3:41.68).<br /><br /> Gabriele Detti of Italy came in third, almost two seconds behind the winner (3:43.49).<br /><br /> Great Britain was in for a disappointment. James Guy was leading for more than half of the race, but couldn’t quite keep up the pace. He came in in sixth place.<br /><br /> Horton will also complete in the men’s 1,500 metres freestyle and the 4×200 metre freestyle relay.<br />
