The Waffenlauf is a type of Swiss marathon where every current or former soldier can participate. A sort of modern hoplitodromos They are required to carry an army rifle (such as the K31, Stgw 57 and Stgw 90) and their uniform.

Pictured is the all-time champion Albrecht Moser, who won this competition numerous times while carrying his old K31 and his old army uniform.