The document discusses nutrition for athletes before, during, and after performance. It recommends eating complex carbohydrates 3-4 hours before an event for fuel. During long events, athletes should regularly drink fluids to stay hydrated and may supplement with carbohydrates. After exercising, athletes need to replace glycogen stores and fluids by consuming carbohydrate-rich foods like fruits, vegetables, and grains within 30 minutes to an hour after finishing.