." Should you try it? These programmes seem well suited for overbooked or injury-prone runners. Studies and surveys of marathon runners have validated this approach by finding little correlation between weekly mileage and marathon performance, especially
, swimming, and weight lifting are great most of the year, as part of low-key training months when your main goals are general fitness and injury prevention, but the heavy training month before a big race needs to be a month of living a little dangerously
