Have done the London and Edinburgh Moonwalks in the last 6 years - it is an amazing event - but completely knackering. The first one our team was called "Simply the Breast" and we all went as Tina Turner - with wigs and 4 foot inflatable microphones!!!! Edinburgh was harder as it was really hilly!!!
Was meant to be doing the Bristol Sunwalk this year but I have to go to France on business instead - bu**er! Great charity.