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
Mexico City Marathon Mexico City Marathon The Mexico City Marathon () is an annual road running event over the marathon distance which is held on the streets of Mexico City in late August or early September that in 2016 received IAAF Bronze Label Status. The race was established in 1983 at a time of growing interest in marathons in the country – the Independencia Marathon had been launched three years earlier and the Monterrey Marathon had been run over the full distance in 1982. The winner of the first women's race, María del Carmen Cárdenas, later became one of the first female Olympic