An endurance wanking event, where by the wankee must complete 260,000 strokes strokes in the fastest time possible. It is a real achievemnt to finish a wankathon, as drop outs are common. Compettors suffer from friction related burns and penile chaff.
It is important that you time your finish and that you don't runout of juice before the end.
So, what is the take home message? Well it's not the cumming first, its the taking shaking of you part that counts.