This 36-week Half Distance Triathlon training plan is expertly designed for Masters athletes over 40, helping you build endurance, strength, and speed with a smart, science-backed strategy. Why This Half Distance Triathlon Training Plan Works: ✅ Swim Preparation: The calm, 1.9 km swim in Weymouth Bay requires steady technique and efficient pacing. Our plan integrates progressive swim workouts and video-guided drills to build your open-water confidence and power, so you start strong and ...