Preparing for the Half Distance Triathlon Cozumel Mexico means getting ready for a flat, fast course through tropical heat, ocean waters, and vibrant downtown energy. This 36-week training plan is expertly crafted to help senior triathletes (age 60+) build endurance, maintain strength, and sharpen race-day skills—all while staying injury-free and time-efficient. 🌊 How This Plan Prepares You for Cozumel’s Swim The program begins with a 12-week base phase focused on joint mobility, aerobic ...