The ERZ50 is a hiking event through the Erzgebirge (Ore Mountains), a UNESCO World Heritage site. Participants can choose between a 35 km or 50 km route. The course spans across Germany and the Czech Republic. The event starts on June 19, 2027, with registration closing on May 30, 2027. Tickets are available from January 5, 2027. The 50 km route has 1100 meters of elevation gain, and the 35 km route has 650 meters of elevation gain. Food and drink stations are provided along the routes, and an optional return transport from the finish to the start is available.