Yeah, my girlfriend and I are both into the beginning stages of London Marathon training. I generally feel sore all year even when ticking over at abou' 50mpw, but now it'll be up to 90/100 mpw in the build-up phase and man I am sore, like all day. I find the only week of the year I actually feel like a normal human being is the week leading up to London where I am in a sharp taper... with 2 days to go there is no stiffness at all, even in the morning which is fantastic. Feel like running up a vertical wall though. Sheesh, the things we do for our sport... 51 weeks of soreness a year.