Trail Runner Nation

In this episode, Alex Hutchinson rejoins Trail Runner Nation discuss why muscle is the real engine behind endurance, performance, and long-term health, especially as runners get older. The conversation explores how and why we lose muscle over time, why this decline matters for speed, resilience, and injury prevention, and the encouraging truth that much of it is reversible. Alex explains the critical role of strength training, the importance of intensity and progressive load, and how endurance athletes can balance running with the work needed to maintain power. The discussion also challenges common myths about aging, showing that performance losses are not inevitable but often the result of training gaps rather than biology alone. For aging athletes and lifelong runners, this episode offers a practical roadmap for staying strong, capable, and competitive for decades. This discussion began from Alex's review of Michael Joseph Gross' book, "Stronger: The Untold Story of Muscle in Our Lives" Key Topics: The