“401: The Man who Ran 401 Marathons in 401 Days and Changed his Life Forever” is an inspiring non-fiction account by Ben Smith. This gripping memoir chronicles Smith’s extraordinary journey of resilience and determination as he embarks on running 401 marathons in 401 consecutive days. With contributions from sports psychologists and fellow athletes, the book delves into themes of mental health, personal transformation, and the power of community. Smith’s story is a testament to human endurance and the impact of setting audacious goals, offering readers an uplifting exploration of overcoming adversity and redefining one’s limits.