The Man Who Ran for 3.5 Days Straight: Dean Karnazes' Unbelievable 350-Mile Odyssey
In 2005, ultramarathoner Dean Karnazes did the impossible, running 350 miles (560 km) in 80 hours and 44 minutes without a single moment of sleep. This feat of endurance pushed the known limits of human potential and sparked a global conversation about what the body can achieve.