This plan opens at 40 miles a week. That number tells you most of what you need to know about who it is for. Twelve weeks, 6 or 7 running days, and two quality sessions every week from Week 1. Tuesday carries the sharp work, starting with VO2 max intervals to open up your top end and then turning to threshold and cruise intervals for the rest of the plan. Thursday is half marathon pace, the specific gear you are actually training. Everything else, including a recovery run on Monday and another ...