In A Runner’s High: My Life in Motion, ultramarathoning icon Dean Karnazes chronicles his extraordinary adventures leading up to his return to the Western States 100-Mile Endurance Run in his mid-fifties after first completing the race decades ago. The Western States, infamous for its rugged terrain and extreme temperatures, become the most demanding competition of Karnazes’s life, a physical and emotional reckoning and a battle to stay true to one’s purpose. Confronting his age, his career path, and his life choices, Karnazes weaves a great story about the ups and down of long-distance running.