Originally Posted by
mike868y
and if you're actually doing a workout on the bike there should be very little coasting as well.
Yeah, my point is that a real hour workout in any endurance sport can be as hard as you like, and you can completely gas yourself in 3 minutes as well. Once you're pushing your physiological limit in a given discipline, that's it. Swimming doesn't magically raise your VO2Max just because you use your arms too.