Ironman Barcelona is one of the most thrilling endurance races in the world, situated in the stunning coastal town of Calella, Spain. The Ironman Barcelona course begins with a 2.4-mile swim in the crystal-clear waters of the Mediterranean Sea. The swim course is a single-loop design that starts and finishes at the beach of Calella. The swim is spectator-friendly, with the stunning beach and promenade providing an incredible backdrop for the athletes. Once out of the water, competitors ...