Prepare to take on the Half Distance Triathlon Vichy with a structured plan designed to meet the course’s unique demands—from the warm waters of Lac d’Allier to the rolling bike course and flat, fast run along the Allier River. This 36-week Half Distance Triathlon Training Plan is built to develop your fitness progressively, preparing you for every segment of race day. ✅ 12-Week Base Phase Begin with a dedicated foundational block designed to build aerobic endurance, mobility, and general ...