may go to waste.But reaching that high is not easy. "Every athlete wants to have a phase that builds up to a peak, but quite often this doesn't happen," says Martin Yelling, former national duathlon champion, Ironman competitor and coach to marathon
deprivation. Don't stay up late either: "Have as much sleep as you can before midnight and aim to be in bed by 10:30," says Dr Roger Henderson, a GP and marathon runner. "Even if you're nervous or excited you are still resting and any sleep you manage before
