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
2012 Olympic Marathon Course a new women's marathon Olympic record of , clipping 7 seconds off the previous record. The new Olympic record was 7min 42sec slower than Paula Radcliffe's world record set in 2003 during the London Marathon. The winning time of 2:08:01 by Stephen Kiprotich of Uganda in the men's marathon, on 12 August 2012, was outside the Olympic marathon record and outside the world marathon record. The winners of the Paralympic marathon events were: The 2012 Olympic route differed significantly from that of the long-established annual London Marathon. Although the Olympic route shared a finish in The Mall and a section