I'm with Allen. Working on distance off the walls, not breathing into and out of turns, etc. is something that's going to benefit your racing skills. Hypoxia for the sake of hypoxia is silly, IMO.
I'm with Allen. Working on distance off the walls, not breathing into and out of turns, etc. is something that's going to benefit your racing skills. Hypoxia for the sake of hypoxia is silly, IMO.