This training plan is designed for runners who endeavor to run between 2:40:00 and 3:20:00 in the marathon. The reason that this plan works for the entire range of times is that the training assignments are prescribed in minutes rather than distance. Using minutes at a particular intensity is a scientific approach to training. Time assignments accommodate a breadth of fitness and performance levels. Both faster and slower runners are able to derive optimal training stress when time is used as ...