"You have to forget your last marathon before you try another. Your mind can't know what's coming."

Frank shorter: Qlympic Gold Medalist

We're not trying to disuade you from doing a marathon but have a look at this! Brilliant!

http://www.youtube.com/watch?v=SJKIvh46S_c

Here's a site with plenty of stuff for you to look at if you're considering a marathon. Loads of links here to other sites.

http://www.marathontraining.com/