Three runners will attempt to run a marathon in less than 2 hours on Saturday. @FiveThirtyEight’s take on the effort https://t.co/XPtaPbYm5V— ESPN Stats & Info (@ESPNStatsInfo) May 5, 2017
Three runners will attempt to run a marathon in less than 2 hours on Saturday. @FiveThirtyEight’s take on the effort https://t.co/XPtaPbYm5V