Originally Posted by
fauxto nick
I was doing 5x3x5 intervals for VO2 last year but gave up because it was the wrong interval for my weaknesses at that point. Not sure what the standard for VO2 is I was just doing what some dude told me. I might give your 6x4x4's a shot. When you do those do you just pretty much go all out?
Yea, pretty much all out (just make sure you can finish the set). This year is the first time I've ever done vo2s, and I think I got the 6*4' from umd, although I could be mistaken.