HALF IRONMAN 70.3 in Haines City, Florida is a highly anticipated endurance race that attracts athletes from all over the world. The swim portion takes place in Lake Eva, which is a calm and clear lake with an average water temperature of around 78-80 degrees Fahrenheit. The swim course is a one-loop swim, and the starting point is at the Lake Eva Park. The swim starts in a rolling start format, where athletes are released in waves according to their estimated swim time. The swim course is ...