This week’s show will give you the kick you need to push past your limits. First, Mark speaks with Terry Fox’s brother Fred about the anniversary of the start of the Marathon of Hope and how the Running Room has been celebrating across the country. Then, Alex Hutchison, the author of Endure: Mind, Body and the Curiously Elastic Limits of Human Performance delves into the science behind human endurance and how our understanding of human limits have changed over the years. Plus, with one week to go until her first ever Boston Marathon, Emily McLean shares her journey.