That may be true in selected cases -- some runners do overeat at pre-race pasta feeds to the point of discomfort .
Others have finicky stomachs that do n't tolerate sports drinks well -- but , in general , the problems associated with carbohydrate supplementation are minor .
That may be true in selected cases -- some runners do overeat at pre-race pasta feeds to the point of discomfort , and others have finicky stomachs that do n't tolerate sports drinks well -- but , in general , the problems associated with carbohydrate supplementation are minor .