no but i am doing the london marathon in 45 days!!! you are all free to sponser me, no minimum amount as i'm miles away from my target at the moment.
http://www.justgiving.com/nickthorpe
The fittness wil soon begin to appear i went from nothing to about 13 miles in approx 6 weeks! just when it starts hurting keep running otherwise you wont get anywhere.
got to remember 99% of it is in your head.
good luck!