In Unbreakable Runner, CrossFit Endurance founder Brian MacKenzie and journalist T. J. Murphy examine long-held beliefs about how to train, tearing down those traditions to reveal new principles for a lifetime of healthy, powerful running. Unbreakable Runner challenges conventional training tenets such as high mileage and high-carb diets to show how reduced mileage and high-intensity training can make runners stronger, more durable athletes and prepare them for races of any distance. Distance runners who want to invigorate their training, solve injuries, or break through a perform Unbreakable Runner - T. J. Murphy, Brian MacKenzie od authora T. J. Murphy, Brian MacKenzie a nakladatelství za skvělé ceny na e-shopu Martinus. cz.