"Yet you make the smallest mistake here and, in these conditions, however great you are, there's no way back," said Storey, our leading marathon expert. What about those rumours that she really has had an injury that prompted her to visit the clinic of unorthodox doctor Hans Muller-Wohlfahrt in Munich? "Well, I think there's a possibility that she did have a problem which has now completely cleared up," he said. "If there is an issue there still, this course won't forgive you."