eccentric exercise peaks after 24 to 48 hours, but is mostly gone in another day or two. The same cannot be said for the muscle weakness. Your quads will take a full two weeks to regain their strength. So, to avoid injuries after a marathon, give yourself a
, and that helps you train harder without injuries," he says, "but I don't know what else someone is going to do, maybe some breakthrough with heart-rate training or something like that." By 2054, Scott believes, the mile record could be no faster than 3:39.Roger
into the no-pain, no-gain trap. They train too hard. You know what comes next; burnout, fatigue, injury.Some runners make the opposite mistake. They don’t train hard enough. Their speciality is junk mileage – running so slowly that they receive little