You just raced a half marathon. This plan turns that fitness into a marathon in 14 weeks. The gap between 13.1 and 26.2 is larger than the numbers suggest, and it is not closed by simply running further. It is closed by time on your feet, by learning to fuel, and by teaching your legs to hold a pace after they have stopped feeling fresh. That is what these 14 weeks do. Week 1 is a reset rather than a build. You raced recently and your body knows it, so the plan gives you a week to absorb that ...