Conquer Tenby’s Legendary Course with Confidence and Strength The 36-week Full Distance Triathlon Wales Training Plan is specifically designed to prepare you for the unique challenges of racing in Pembrokeshire—arguably one of the most iconic and demanding Full Distance Triathlon courses in the world. 🏊‍♂️ Swim-Ready for North Beach, Tenby Prepare for the 3.8 km two-loop open water swim in cool 63°F (17°C) waters with progressive open water workouts, technique-focused drills, and ...