The Middle Distance Triathlon Vieux Boucau France offers a unique and exhilarating challenge—1.9 km of sheltered saltwater swimming, 90 km of fast and flat cycling through pine forests, and a 21 km multi-lap run surrounded by roaring spectators. This 24-week triathlon training plan is built to prepare you for every aspect of this stunning course so you arrive on race day primed for peak performance. ⚠️ Prerequisite Training Required – This is for experienced athletes with an established ...