马拉松跑全程42195米,运动量大,体力、热能消耗也大,必须给予适当的补充。平时训练可以碳水化合物类食物如米、面食等为主,辅之以含较高蛋白质、脂肪食物如禽蛋、鱼肉等,以维持运动员必须具备的体力。有一个有趣的现象:马拉松运动员尽管吃的脂肪很多,可是却没有一个是肥胖的人。因为这些脂肪已 Marathon running 42195 meters, a large amount of physical activity, energy consumption is also large, must be given appropriate supplements. Usually training can carbohydrate foods such as rice, pasta, etc., supplemented by containing higher protein, fatty foods such as eggs, fish, etc., in order to maintain the athlete must have physical strength. There is an interesting phenomenon: marathon runners, although a lot of fat to eat, but none of them are obese people. Because these fats have