MotoGP has nothing on the Isle of Man TT
Seriously, you think the MotoGP guys are nuts, yes, they are, but they don't do half o what the road racing crowd does. Look up the Manx TT, take a listen to onboard laps, and remember, they are up around 200 mph on the longest straight bit of the course...though straight bit in the Snaefell course is a bit of a misnomer.
Point is. THe IoM is everything that makes MotoGP riders do crazy things, cranked up to about 15, not 11.