Many people have asked me over the years where my trailname "Wall" came from. It is customary for Appalachian Trail thru-hikers to assume a trailname. The name I "received" in 1995 was Wall. Why? Probably because I have hit the wall so many times. This expression refers to any of the following:
The definition of hit the wall contained in the glossary of my book The Fastest Hike reads as follows:
hit the wall A physical breakdown caused by extreme exercise and improper replenishment, and characterized by a total lack of energy, diminishing will-power, and the need to continue to perform vigorous activity.