Physiology of marathons certain physiological characteristics of marathon runners exist. The differing efficiency of certain physiological features in marathon runners evidence the variety of finishing times among elite marathon runners that share similarities in many physiological characteristics. Aside from large aerobic capacities and other biochemical mechanisms, external factors such as the environment and proper nourishment of a marathon runner can further the insight as to why marathon performance is variable despite ideal physiological characteristics obtained by a runner. The first marathon ever run was an unintentional 25 mile trek performed by Pheidippides. Pheidippides was a Greek soldier who ran to Athens from the
USA Marathon Championships USA Marathon Championships The USA Marathon Championships is the annual national championships for marathon running in the United States. The race serves as a way of designating the American national champion for the marathon. The men's race was first contested in 1925 and a women's race was added to the program in 1974. Since 1968, in years which the Summer Olympics are held the event serves as a way of selecting the athletes who will represent the United States at the Olympic Games, with the top three eligible finishers selected to be on the Olympic team and the fourth and