British motorcycle Grand Prix British motorcycle Grand Prix The British motorcycle Grand Prix is a motorcycling event that is part of the Grand Prix motorcycle racing season. Before 1977, the only British round was the Isle of Man TT, which was part of the FIM championship from its inauguration in 1949 until 1976. The Isle of Man TT was the most prestigious event on the Grand Prix motorcycling calendar from 1949-1972. After the 1972 event, multiple world champion Giacomo Agostini dropped a bombshell on the motorsports world by stating he would never race at the Isle of Man TT again, stating the 37-mile (62
Formula TT 1972 TT, his close friend and the reigning world champion Giacomo Agostini, announced that he would never again race on the Isle of Man. More riders joined Agostini's boycott and by the 1976 season, only a handful of serious Grand Prix riders were among the entrants. Shortly after the 1976 TT, the FIM made the long-anticipated announcement that the TT, once the most prestigious race on the Grand Prix calendar, was stripped of its world championship status. The Grand Prix action was moved to the UK with the 1977 British Grand Prix being held at Silverstone. The race authorities of