IRONMAN 70.3 Marbella, an epic endurance event located in the stunning city of Marbella, Spain! Prepare to push your limits as you swim, bike, and run your way through this world-class course, surrounded by breathtaking scenery and supported by an enthusiastic crowd. Let's start with the swim segment. You'll dive into the crystal-clear waters of the Mediterranean Sea, where you'll experience a refreshing 1.2-mile swim. The ocean water is warm and inviting, providing the perfect setting for an ...