IRONMAN 70.3 Duisburg, a dynamic triathlon that tests athletes against the stunning backdrop of Duisburg's landscapes and landmarks. Begin the journey with a splash on the regatta course of 'Sportpark Duisburg' for a 1.9 km swim. Envision the thrill of diving into cool waters, the cheers of spectators lining the shore, and a refreshing start to the challenging adventure, with an average water temperature of 70°F (21°C). Transitioning from water to wheels, athletes take on a 90.1 km Ventum ...