Isle of Man TT
（重定向自Tourist Trophy Races）
The International Isle of Man TT (Tourist Trophy) Race is a motorcycle sport event held annually on the Isle of Man in May or June of each year since the inaugural race in 1907. The Isle of Man TT for many years was the most prestigious motor-cycle race in the world and also seen as the ultimate test for competitors and machines alike. The Isle of Man TT has been administered by the Auto-Cycle Union (ACU) (previously the Auto-Cycle Club) since 1907 and is currently managed since 2008 by ACU Events Ltd, a fully owned subsidiary of the ACU.