Brad Kearns, at 52 years old, has doubled his testosterone levels in the past year. He has abandoned life as a pro triathlete and instead conquered the world of speed golf and high jumping. He has successfully trained his body to become a potent fat burning machine and transition completely out of carbohydrate dependence. He's a successful author is a noted speaker, author and coach in the health and fitness world for three decades. As the President of Primal Blueprint Publishing, Brad works with Mark Sisson to promote all aspects of primal living. He helped develop the Primal Health Coach certification program, has delivered dozens of Primal Transformation Seminars across the USA, and organized and presented at nine PrimalCon health and fitness retreats around the world from 2010-2014. He and Mark authored the 2015 release, , a comprehensive guidebook on how to escape the carbohydrate-dependent, overly stressful conventional approach to endurance training in favor of a healthier, stress-balanced, fat-adapted primal approach. He and Mark authored the 2017 release, , the definitive guide to the wildly popular ketogenic eating strategy. Kearns is the host of comprehensive online multimedia educational courses that bring books like , , and the 21-Day Total Body Transformation to life with a series of instructional videos and expert interviews that provide an immersive educational experience. During his nine-year career as a triathlete, Kearns was one of the world’s top ranked professionals, amassing 30 wins worldwide on the pro circuit. Career highlights include a remarkable streak of seven victories in a row ('91-'92), a world duathlon series championship, two national triathlon championships, and a #3 world ranking in 1991. Kearns is the last American professional male in to place in the top-5 in the ITU World Championships (1992) and still holds the Hawaii Ironman 24&under age division American record at 8:57 (1989). Other books by Brad include (2006), detailing a healthy, balanced approach to triathlon peak performance. His (2007) and (2008) books detail the champion attitude and behavior qualities of the Tour de France legend and golfing great, helping you apply their methods in pursuit of your own peak performance goals. Brad’s current athletic passion is the offbeat sport of Speedgolf, where competitors play as fast as possible and total strokes and minutes to obtain a Speedgolf score. Brad is 3-time top-20 finisher in the world professional championships. He placed third in the 2017 California Professional Speedgolf Championships, shooting 78 on a championship course in 47 minutes for a Speedgolf score of 125. In 2016 at the age of 51, Brad cleared 5'5" (1.65m) at a high jump practice session. This exceeds the All-American standard for 50-54 age group and matches a top-10 national rank performance. At 50, he ran a 400-meter effort in 59.8. - running in the 50s, in his 50s! During our discussion, you'll discover: -How speed golf works, and how Brad gets his heart rate down quickly after sprinting...[9:40] -How a typical training session works to train the body to get the heart rate down quickly after hard efforts...[14:05] -How Brad trained his slow-twitch muscles from triathlon to go to fast-twitch muscles for high jumping...[23:30] -How do you use the concept of slow down to go faster for a sport like that, and how does it differ from how you would normally have trained as a pro triathlete? [30:45] -The best way to perform a Maximum Aerobic Function test, which Brad describes as "the #1 most important fitness marker of them all"...[34:00] -The strategies Brad used to more than double his free testosterone simply by sucking it up and lowering his assumed aerobic base heart rate...[43:45] -The goal and intent of The Primal Endurance Mastery Course...[64:55] -And much more! Resource from this episode: - - - - - - - Show Sponsors: -Kion Lean - Go to and use promo code BEN10 to save 10% in your purchase of the best supplement for longevity and fat loss, or any other Kion products! -HealthGains - Text the word "GAIN" to 313131 to receive a $150 voucher toward your HealthGAINS treatment. -Human Charger - Go to and use the code BEN20 for 20% off. -Daily Harvest - Go to and use promo code BEN to get three items for free when you purchase your first box! Do you have questions, thoughts or feedback for Brad or me? Leave your comments at and one of us will reply!