Half Ironman 70.3 Poznań, a triathlon that seamlessly blends athleticism with the charm of the historic city and the beauty of Lake Kierskie. The adventure begins in the calm and warm waters of Lake Kierskie. Immerse yourself in the tranquil surroundings as you navigate through the rolling start format, an experience that allows athletes to enter the water in a steady flow. With an average water temperature of 65°F/18°C, the lake provides the perfect setting for a smooth and invigorating swim. ...