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 2012 Olympic Marathon Course The 2012 Olympic Marathon Course is that of both the men's and women's marathon races at the 2012 Olympic and Paralympic Games in London. The route consists of one short circuit of followed by three circuits of . The course, which was designed to pass many of London's well-known landmarks, starts and finishes on The Mall, within sight of Buckingham Palace, and extends as far as the Tower of London in the east and the Victoria Memorial in the west. The route of the marathon had been changed, for various logistical reasons, from that originally envisaged