Professional data analyst Prof Barry Smyth, has tapped into the deep reserves of marathon data available online. His findings identify the common pitfalls that derail so many recreational runners – and the best ways to avoid them.In this episode we discus some of his findings.This episode will be of benefit to runners of all distancesProf. Barry Smyth on MediumTwitter--- Send in a voice message: https://podcasters.spotify.com/pod/show/johnoregan777/message