🏝️ Racing the Half Distance Triathlon Cozumel Mexico means navigating warm ocean waters, a flat but windy bike course, and a vibrant run through town. Our 36-week Half Distance Triathlon training plan for Masters athletes 40+ prepares you for every element of this unique race—with a proven, age-smart strategy to build strength, endurance, and race-day execution. ✅ Dominate the Swim You’ll train for the 1.9KM warm-water swim (84°F/29°C) with integrated sessions that improve stroke efficiency, ...