Ironman 70.3 Arizona, located in the heart of Tempe! Get ready for an epic triathlon experience that will challenge your endurance and leave you feeling exhilarated. First up, the swim segment. You'll start by diving into the cool and refreshing waters of Tempe Town Lake. The lake provides a beautiful backdrop for the 1.2-mile swim, with stunning views of the surrounding desert landscape. The water temperature is typically around 70 degrees Fahrenheit, so be sure to pack your wetsuit to stay ...