The Half Distance Triathlon Vichy includes a 1.9 KM swim in Lac d’Allier, a 90 KM bike through the Auvergne countryside, and a 21.1 KM run along the Allier River. This 24-week training plan is structured to help Masters athletes over 40 prepare for the specific demands of this course. 🏊‍♂️ Swim – 1.9 KM in Lac d’Allier This freshwater lake offers calm conditions and good visibility. The plan includes: ✅ Structured swim sessions using Rate of Perceived Effort (RPE) and heart rate ✅ ...