On October 12, 2019, Eliud Kipchoge became the first man ever to break the two-hour marathon barrier. The following day, on October 13, 2019, Brigid Kosgei shattered the women’s marathon record by a whopping 81 seconds. Aside from the Kenyan blood and tons of sweat put into the intensive hours of running every day, these … Continue reading Nike’s Vaporfly Shoes: An Unfair Advantage?