Jeff Garmire, an endurance athlete and podcaster, recently smashed the self-supported Appalachian Trail FKT, completing it in just 45 days, 8 hours, and 37 minutes. He shares insights on the mental and physical costs of such a feat, along with his training and sponsorship challenges. Jeff discusses the balance between enjoyment and suffering on long trails, his strategies for nutrition and sleep, and the emotional discoveries he made along the way. Notably, he raised over $35,000 for the Trevor Project, highlighting his commitment to mental health initiatives.