Multiple Legal Sub-2 Hour Marathons
by Brian Wang from NextBigFuture.com on (#7774C)
There are now multiple sub-2 hour marathons. How has this happened. There are faster speeds from training, new shoes. Shorter races have shoes, clothing and track advancements. Also, multiple athletes are doing it. There used to be only ten runners able to go sub-10 second each year in the 100 meter but in the first ...