IOM TT most dangerous motorcycle racing track. Find Isle of Man TT race history, Events and Travel info. Savitar Pro, Racing Gear for Isle of Man TT 2019. The track for the Isle of Man has been the most dangerous motorcycle racing track ever. The death toll during the races of Tourist Trophy has reached 250. However, the danger is always there, and it never stopped racers and enthusiasts to take part and show the limits of their speeds.