Fast and crazy! It is a "special breed" of racer to not only want to compete but actually do it there.
Absolutely no margin of error.
http://cdn.iomtt.com/~/media/Files/2011/Results/030611/Superbike - all sessions.ashx
As far as the faster goes, not even close. MotoGP riders on certain tracks are in excess of 210 MPH.
I would like to say Dani Pedrosa has an all time fastest speed recorded in GP, 218 mph? I could be mistaken.
2004: Max Biaggi Camel Honda 334.4km/h (990cc)
2005: Carlos Checa Ducati Marlboro 328.7km/h (990cc)
2006: Dani Pedrosa Repsol Honda 330.2km/h (990cc)
2007: Casey Stoner Ducati Marlboro 324.7km/h (800cc)
2008: Marco Melandri Ducati Marlboro 334.4 km/h (800cc)
2009: Dani Pedrosa Repsol Honda 338.6km/h (800cc)