The Full Distance Triathlon Switzerland-Thun challenges you with a 3.8 km swim, 180 km bike, and 42.2 km run. This 36-week Full Distance Triathlon training plan is designed to prepare you fully for the unique demands of this iconic race. 🔥 The first 12 weeks build a strong endurance base, essential for the two-loop swim in Lake Thun’s clear, cool water. 💪 Then, the 24-week training phase follows a proven 3/1 cycle: 3 weeks of hard training followed by 1 week of active recovery to keep you ...