Matt Fitzgerald, an endurance athlete and author of "Chasing Mastery," discusses his incredible journey from battling Long COVID to competing in ultramarathons. He shares the challenges he faced, adapting his training to new physical realities. The conversation highlights the mental resilience required to reclaim running and the significance of mastery in sports. Fitzgerald also touches on the nuances of the coach-athlete relationship, emphasizing growth through honest feedback and individual differences in athletic progress.