Q: Marathon training Explain what type of diet would be best for a person training for a marathon.

This problem poses the issue of the physiology of metabolism as related to long duration, endurance type of activity, like a marathon.

Clearly the dietary requirements of a marathon runner would be different from a sprint athlete. These differences arise from the way the muscles work in a sprint event versus an endurance event. How does diet of an athlete influence performances is the issue addressed in this problem.