FULL DISTANCE TRIATHLON AUSTRIA KLAGENFURT SUMMARY Swim: The 3.8 km one-loop swim takes place in the turquoise waters of Lake Wörthersee, renowned as one of the most beautiful swim courses in IRONMAN. Approximately two-thirds into the course, athletes enter the narrow Lendkanal, lined with massive crowds. Average water temperature is 73°F (23°C). Bike: The 180 km two-loop bike course showcases Austria's picturesque landscapes along Lake Wörthersee. The rolling course includes challenging ...