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
Ponce Marathon on 10 December. The event took place on 14 December. The event took place on 12 December. The event took place on Sunday 11 December. The event took place on 9 December. The event took place on Sunday 8 December. Ponce Marathon The Ponce Marathon, officially, Maratón La Guadalupe de Ponce (English: La Guadalupe Ponce Marathon), is a long-distance running event held every year in Ponce, Puerto Rico. Established in 1970, it is the only Olympic marathon held in Puerto Rico. The race is in length and takes place on a Sunday during the month of December. It starts at