Experience the thrill of IRONMAN 70.3 Duisburg in Germany The journey commences with a 1.9 km swim on the regatta course of 'Sportpark Duisburg,' where athletes plunge into cool waters, surrounded by the cheers of spectators lining the shore. With an average water temperature of 70°F (21°C), it provides a refreshing start to this challenging adventure. Transitioning from water to wheels, athletes tackle a 90.1 km Ventum bike course that winds through Duisburg's heart. The 2-lap route explores ...