The Ultimate Guide to Trail Running and Ultramarathons

In this guide, he teaches trail-running newbies and experienced marathoners essential survival skills and tips for running long distances: how to run in snow, ice, and mud; how to cross large streams of water; what to do when you have to go number 2 on mile 30 of a 50-mile run; preparing for trouble (building a fire, surviving in the heat and cold); running in thunderstorms.