So, according to Google Maps, a walk from Southampton to Cambridge via Trowbridge would be roughly 180 miles in length.
I reckon if someone were to wander that route, not making any particular effort to speed-walk or anything, that could accomplished in a couple of weeks pretty simply.
Okay, let's see how Site5 holds up. I don't know what level of traffic I'm going to see, but there was no way I was going to risk running a competition on my old Demon site, that's for sure.