Stop running your easy days too hard and your hard days too easy. The 100-Mile distance requires a massive shift in training philosophy. Success is no longer determined strictly by your VO2 Max, but by your Physiological Durability and Gastrointestinal Trainability. Designed specifically for intermediate runners looking to safely step up their volume and improve their time, this 26-week plan uses the proven 80/20 Endurance methodology while completely reimagining how volume is handled to ...