IRONMAN Florida, the epitome of a leisurely Sunday stroll. Dive into the crystal clear waters of the Gulf of Mexico for a refreshing two-loop swim around the Russel-Fields Pier. Just beware of those friendly strong currents, playful riptides, and occasional marine life—because nothing says "fun" like dodging sea creatures during your morning swim. And who doesn't love a short beach run between laps? Because obviously, one lap is just not enough excitement. The 112-mile bike course, a flat and ...