zizou
Veteran
While I don't disagree with Zizou that some people don't get on with three strokes and breathing on alternate sides, what you're doing is never going to be efficient because you are completely messing with your breathing if you are constantly changing how many strokes you take between breaths.It is going to be counterproductive.
Irregular breathing is a common training exercise to improve lung capacity. For a longer distance swim, particularly when fatiqued then i dont think 4-2-4 will be easy to maintain (and it would likely be detrimental to performance doing so) and it would drop to every 2nd stroke, but otherwise if that is what xxmimixx feels comfortable doing when training then i dont see a problem. Different people experience oxygen debt in different ways and if someone feels good going 4-2-4 then they should stick to that.