wikipedia | David Goggins (born February 17, 1975) is an American ultramarathon runner, ultra-distance cyclist, triathlete, motivational speaker and author. He is a retired United States Navy SEAL and former United States Air Force Tactical Air Control Party member who served in the War in Afghanistan and the Iraq War. He is a former world record holder for the most pull-ups done in 24 hours. His self-help memoir, Can't Hurt Me, was released in 2018.
wikipedia | Dean Karnazes (English: /kɑːrˈnɛˈzɪs/ car-NEH-zis; born Constantine Karnazes; August 23, 1962), is an American ultramarathon runner, and author of Ultramarathon Man: Confessions of an All-Night Runner, which details ultra endurance running for the general public.[3][4]
