IRONMAN TEXAS begins with a 2.4-mile swim at North Shore Park, proceeding through Lake Woodlands and finishing at Town Green Park. The swim is a point-to-point course with one turnaround, in freshwater averaging 74°F, where wetsuits may or may not be needed. The 112-mile bike ride starts in The Woodlands and extends into Northern Harris County, including two loops on the Hardy Toll Road, which is toll-free for the event. The bike course is fast and flat, though cyclists should prepare for ...