Originally Posted by
gregf83
I suspect XC skiers have a higher VO2Max beacause they are using more muscles. Put them on a bike and their VO2Max would likely go down. Conversely, put a top cyclist on skis and their VO2Max would go up once they had the skiing technique mastered.
I'm sure that's part of it. My VO2max is a few points higher when I run than when I ride.