Some squaddies i know do a run round Nijmegen for four days with about 20 lbs on their backs Ironically during that time their wives are also getting 20 lbs on their backs
Nijmegen is a "March" so packs are not required, neither is running. Some soldiers and civilians do it through bravado but speed wins nothing on it's own, nor do packs, either 20lbs or 50lbs. It's not compulsory, only an embellishment for the foolhardy.
