Well, that's disheartening news! ;-)
Well, it's all I can do running wise in the near term, so at least its increasing my cardio levels.
Originally Posted by
CastIron
I learned this past week that it doesn't cross over worth a damn. I can cycle for hours at good intensity, and go pretty damn hard for over an hour on the elliptical. Two (kinda) fast miles of running damn near killed me.