Sir Chris Hoy crowned his Olympic career with a record sixth gold medal here Tuesday to become the most decorated British Olympian in history after powering to victory in the keirin.Germany’s Maximilian Levy finished second to take the silver with New Zealand’s Simon Van Velthooven and Dutchman Teun Mulder sharing the bronze after a long wait for a photo finish decision. Hoy won three Olympic gold medals in the sprint, keirin and team sprint four years ago to add to his kilometre time trial crown from Athens in 2004. And despite being unable to defend his sprint title after being ousted by Jason Kenny for Britain’s sole spot in the event, Hoy struck gold twice in his two London events of the team sprint and keirin. The 36-year-old Scot’s sixth gold means that on the count of gold medals alone, he overtakes Sir Steve Redgrave’s tally of five gold medals, all of which were won in consecutive Games. “I’m in shock, you try and compose yourself but it’s surreal. I wanted to win gold in front of my home crowd. I saw everyone stepping up to the plate and thankfully it worked out for me too,” said Hoy. Asked if he would compete at the Rio Games, Hoy said his preference would be to end his career at the 2014 Commonwealth Games in Glasgow. “Not in an Olympic Games.