Tyler Andrews on Surviving Aplastic Anemia, Running Everest in 9:55, and a Decade of Grinding

Joe De Sena sits down with Tyler Andrews, a cancer survivor turned elite endurance athlete who just set the fastest known time from Everest Base Camp to the summit: 9 hours and 55 minutes, breaking a 23-year-old record held by Lakpa Gelu by over an hour.   This episode breaks down exactly how Tyler trained for Everest with hypoxic machines simulating 38,000 feet, a 6,000-foot mountain climb five days a week out his back door in Quito, and a strength program built with a Tour de France-level performance lab.   They also dive into why a decade of consistency matters more than early talent, how to structure altitude and endurance training for extreme goals, and what it took to outpace a record that stood for over two decades.   Things You Will Learn: Why the athlete who was not even the best runner on his Division Three team eventually broke a 23-year Everest speed record. The specific training structure Andrews used to prepare for a single-push summit attempt: hypoxic sessions, uphill volume, and strength work. What aplastic anemia survival at age six taught him about patience, gradual progress, and not boxing yourself into one identity.

Tools & Frameworks Covered:

Progressive Distance Scaling: Start at the distance where you are competitive, then move up one level at a time. 5K to 10K to half marathon to marathon to 50K to FKT to Everest. Each step confirms the next is possible. Hypoxic Layering: Train at moderate altitude daily (10,000 feet), add simulated extreme altitude on a stationary bike (up to 38,000 feet) for 10–12 hours per week, and stack that on top of sport-specific uphill volume. Decade Rule: Do not expect overnight results. A decade of consistent love of the process and daily grinding is what separates mediocre early performance from record-breaking later performance.   If this episode moved you, do not just listen. Do something about it. Sign up. Show up. Do the work. Spartan.com. No more excuses.   Chapters: 0:00 Intro: Cancer survivor, Everest speed record holder 1:28 Diagnosed with aplastic anemia at age six 3:07 How childhood illness shaped his personality and perspective 4:41 What a six-year-old remembers about cancer treatment 6:30 Aplastic anemia recovery: never cured, always in remission 8:00 The high school coach who changed everything 9:55 PRing every weekend and falling in love with running 10:39 From 5K to marathon to 50K to FKT to Everest 12:32 What FKT means and how the fastest known time world works 14:02 Spartan CTA: Sign