Well Schumacher does like to keep it real, and as Senna said the only thing that comes close to F1 is karting

http://www.karting1.co.uk/news/?p=156

actually Schumacher has got himself into a nice situation because the TonyKart/Vortex KF1 (new regs for 2007) package he will probably be racing is unbeaten in this years European Championships.... he actually has a realistic chance of winning it.

These things shift aswell http://www.youtube.com/watch?v=K4h_YmkNLwc

Let's see if he still has it

MS still organises private karting sessions for those special drivers, he has always been karting and will probably win it.