100-up running is a running drill from the late 1800’s that was recently publicised in a 2011 New York Times article by Christopher McDougal (author of Born to Run). There was a lot of publicity in the blogosphere following his article where it was billed as the “lost secret of running”. The blogosphere was generally gushing with praise with only a few critical appraisals of it. There was no science or evidence presented in the article. The approach advocated in the 100-up drill is based on the principle that there is one best way to run and this drill helps to achieve it.
In the 1800’s runners did very little training by today’s standards and the better runners were those who were the most gifted and got by on that talent and not any training they did. Just because George could break world records using this 100-up technique does not mean he did it because of the technique