The word most frequently used towards the end of Trailwalker is "broken". In the context of a 100km walk it means fatigued, exhausted, pained, as in "my legs are broken", "my feet are broken", or more commonly "I'm broken". Walking Trailwalker is like being crushed by a glacier: the pain is slow, inexorable, inevitable, and it chafes a bit. Covering 100km on shanks' pony is a strange endeavour, 62 miles is a prepostorously long distance and 20 hours a ludicrous time to be walking. It's almost impossible to imagine what it's like without taking part. Picture yourself walking for eight hours; enough to cover about twenty-five miles and a decent day walk in most people's book. At the end of that eight hours your feet tingle, your legs are slightly stiff, you're a bit hungry. If you're doing Trailwalker you're not even half way around. With three 25 mile training walks under my belt I figured I could cover 40 miles ...