Preparing for the Half Distance Triathlon Vichy? This scenic and challenging course—featuring a warm swim in Lac d’Allier, a rolling 90K bike through the Auvergne countryside, and a flat, fast half marathon along the Allier River—demands smart, age-specific preparation. Our 36-week Half Distance Triathlon training plan for athletes 60+ is purpose-built to get you race-ready, safely and effectively. Here’s how this plan sets you up for success in Vichy: ✅ Built for the Course Train for Vichy's ...