In the final part of my notes from ultra-runner Dean Karnazes’s memoir A Runner’s High: My Life in Motion we’ll talk about developing grit and becoming relentless. Achieving hard things in life often doesn’t require any special skills other than perseverance. Those who keep going for however long it takes are the ones who win … Continue reading #20: Developing Grit and Becoming Relentless. Lessons From Dean Karnazes’s Memoir “A Runner’s High” (Part 3)