I'm running the Edinburgh Marathon in aid of the SSPCA who receive no govt funding and are an entirely separate entity to the RSPCA who only operate in England and Wales.
This will also be a huge achievement for me when I complete the marathon as two years ago I was paralysed from the chest down with a condition called ADEM. I have since made around a 99% recovery and only started training in September 2009 as I had been unfit to do so prior to this.
for some reason i always have a chocolate bar, usually one with nuts in it as well like a snickers or sometimes a boost and a glass of chocolate milk. I do have a sweet tooth which may have something to do with it. I usually run midday. after eating this i have my usual evening meal between 6 and 7. since i started having something sugary and chocolate milk i always feel much better. Dunno if there's any science behind it but it works for me!