IRONMAN 70.3 Cozumel, where you'll experience the ultimate triathlon adventure in one of Mexico's most stunning locations! Get ready to be wowed by the breathtaking views and crystal-clear waters of the Caribbean Sea. The race kicks off with a 1.2-mile swim in the turquoise waters of Cozumel. You'll be surrounded by colorful fish and coral reefs as you navigate through the warm and calm waters of the Caribbean. The swim course is well-marked and professionally monitored, ensuring a safe and ...