Im Schatten der Hünenburg Ultra 2025-11-29 46 km Bielefeld (Zweischlingen) / Germany Visit Event Website → About This Event Location Bielefeld (Zweischlingen) Country Germany Date 2025-11-29 Distances 46 km Why This Event 46km ultra endurance trail race through forested terrain exceeding marathon distance testing exceptional stamina More Runs in Germany View all runs in Germany