the Phosphagen system

Energy Systems and Training for Cross-Country Ski Race Courses

It is well known that XC ski racers have to be incredibly “fit” to be competitive. But how do we measure “fitness”? For decades, we’ve known that a high VO2max is necessary to be a competitive ski racer. Training to improve VO2max involves a large volume of training at a low intensity and a comparatively smaller volume of training at a very high intensity. Over the past 20 years, changes in equipment technology, course preparation,...