Mammutmarsch Mannheim 2026

Mammutmarsch Mannheim 2026 is an official amateur long-distance walking event on the Mammutmarsch organizer site. The official event page lists the 27 June 2026 edition in Mannheim with 30 km, 42 km and 60 km participation options, starting and finishing at Ehrenhof Schloss Mannheim and open as a public participation challenge.