
Episode #33
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 up for something hard 14:39 How Tyler trained for the Everest speed record 17:51 The team behind the attempt: Human Powered Health 19:12 The record: 9 hours 55 minutes, beating a 23-year mark by 61 minutes 20:24 What is next: the book, the film, and what he cannot say yet 21:14 Three lessons from Tyler 23:36 Where to find Tyler Andrews and his podcast with his dad Tyler Andrews was diagnosed with aplastic anemia at age six and underwent experimental chemotherapy that destroyed and regrew his bone marrow. He was not an athletic kid: small from the chemo, hyperactive, drawn to music and science. A high school cross-country coach dared him to train consistently, and he fell in love with running after PRing every weekend for a month straight. He ran NCAA Division III, turned professional, made two Olympic marathon trials, won a silver medal at the 50K World Championships, and eventually transitioned to the fastest-known-time circuit during COVID. He now holds the Everest Base Camp to summit speed record at 9 hours and 55 minutes, breaking a 23-year-old mark by over an hour. He lives and trains in Quito, Ecuador, at 10,000 feet. Connect to Tyler: Website: https://www.tylercandrews.com/ Instagram: https://www.instagram.com/tylercandrews/ Youtube: https://www.youtube.com/@TylerCAndrews Chaski Foundation: https://givebutter.com/chaskifoundation If we could link to my website ( tylercandrews.com and socials @tylercandrews on IG and YT mainly), that would be great. Also a link to our fundraiser where we have raised almost $70K to support youth athletes in Nepal and Ecuador (), that would be amazing!

