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
Giacomo Agostini the 500cc title seven years in succession for the Italian factory. He would also win the 350cc title seven times in succession and won 10 Isle of Man TTs. At the time, the Isle of Man TT and the Ulster Grand Prixs were regularly won by Anglophonic (mostly British) riders; in addition to Agostini's successes at the TT he also won 7 Ulster Grand Prix races- he was the only non-British rider to achieve the same kind of success in these British motorcycle races- which were 2 of the most difficult motorcycle races in the world at the time. In