A marathoner's worst nightmare - hitting the wall - might be easily avoidable for runners who adhere to pace and mileage levels that conserve carbohydrates, the body's main source of quick-burn energy and follow a progressive training plan with a wide sweeping impact on V02 max and lactate threshold, key physiological variables that affect endurance running success. In order to separate and clarify the elements of breakthrough marathon performance, we need to acknowledge some of the most widespread problems.
A recently published report from the website RunRepeat.com found that American road race results are slower than ever before. The report looked at more than 34 million U.S. road race results between 1996 and 2016, the largest analysis of its kind. The only ones not getting slower are the top elite runners.
Current medical research shows how the mental habits of exercise addiction can lead to a phenomena known as "athlete's heart," the official medical term referring to both the natural and pathological enlargement of the heart of someone who engages in strenuous exercise over a long period of time. The good news is that “athlete’s heart” is not the inevitable consequence of training hard.
"The state of flow that some people associate with "natural running form" is simply what happens when you run in the right posture. When you run in the right posture there's less need to dwell on any one fine point of perfect running form. You already have it. You were born with it. The most important thing is to “own” your physical body. If you slump, you will lose yourself. Your mind will be wandering about somewhere else; you will not be in your body."