IRONMAN TEXAS: Ultimate Endurance Adventure Begin with a 2.4-mile swim in Lake Woodlands, starting at North Shore Park and finishing at Town Green Park, with the lake’s average temperature at 74°F. Next, embark on a 112-mile bike ride through The Woodlands and Northern Harris County, featuring two loops on the Hardy Toll Road. This fast, flat course is mostly closed to traffic but prepare for wind and sun exposure. Finally, tackle a 26.2-mile, three-lap run around Lake Woodlands, ...