Maybe next year you could try doing something really hard like taking several weeks to go for a nice little walk along Hadrian's Wall. Donation by Andy Tulloch on 29/04/10

Good Luck Richard - hope its not too warm for you, will watch out for you on the telly, give us a wave. Donation by Beverley Brown on 23/04/10

Best of luck Richard ,hope all goes to plan Donation by steve streak on 23/04/10

Good Luck Richard Donation by Simon Pilling on 22/04/10

Dear Alex, I wish I could be running alongside you for the distance! Donation by Gran on 22/04/10

Good luck on Sunday, we'll be cheering you on! Love Mum & Dad Donation by Adrian Stabbins on 22/04/10

4th attempt and Kili, you must be a masochist. Beat 4 hours and you can retire! Good luck, Diana & Graham Donation by Graham Wilkins on 20/04/10

Mmmmm forecast warm for Sunday... not good. :-) Head down and go for it Mr S Donation by sally Bentley on 20/04/10

Good luck - hope you achieve your target time! :) Donation by Guy Wilkins on 19/04/10

Donation by Matt Selby on 19/04/10

Good luck Richard. Donation by Ken Cameron on 15/04/10

We know you'll do it but good luck anyway ! Donation by John and Maureen Evans on 13/04/10

Best of Luck Richard! Rajinder, Sukhraj & Amrita Donation by Rajinder Johal on 12/04/10

Best of luck Ricod! Should be easy after Kili. The Lukers Donation by Julia Luker on 09/04/10

Good luck Richard! Eileen, Laura & Ivan Zoratti Donation by Laura Lucardini on 08/04/10

Richard, can't you sit down? This will be a walk in the park for you ( well a gentle jog around London !! ) Less than 4hrs? Good luck mate Donation by David Goodchild on 08/04/10

All the best for the race, I'm sure you will walk it...I mean it will be no problem for you! Hope you hit sub 4 hours. Donation by Simon Hawley on 08/04/10

Good Luck Richard. Just think the lady with the spade is behind you, you ll fly like the wind !!! Donation by Celia Goodall on 07/04/10

Good luck Richard! Donation by Ashleigh Gilleeney on 07/04/10

Good luck you are mad!!! Donation by Hazel Duthie on 01/04/10

Good luck Richard Donation by Donna Fitzgerald on 31/03/10

best of luck Richard....have a great race Donation by James Parkhouse on 30/03/10

Only 4 marathons? You can manage more than that - I did, but not since they changed the name to Snickers! Seriously, good luck - channel next year? Donation by steve wade on 30/03/10

Good Luck Richard - frankly an easier day out than with my boys!! Lots of love from all the Spencers Donation by Christine Spencer on 30/03/10

piece of cake!!! Capita's own Jimmy Saville! Donation by Steve Banks on 30/03/10