Trail Runner Nation

In December of 2014, we spoke with Brian MacKenzie, founder of crossfit endurance, ultrarunner and co-author of "Unbreakable Runner, Unleash the Power of Strength & Conditioning for a Lifetime of Running Strong".  He joined The Nation to talk about how you can train for lifelong healthy and sustainable running by incorporating crossfit endurance training.  The main principles include: Develop correct and efficient running skills Build running endurance without injury Build functional strength, conditioning and mobility Focus on nutrition Get the book HERE Brian's other book, " Power Speed ENDURANCE: A Skill-Based Approach to Endurance Training"