Zone 2 at 85% HR Max? Here's Why That's NOT Crazy

FREE 👉 The Functional Cardio Guide: https://academy.upsidestrength.com/gu... Boost your Endurance & Recovery for your Sport 🚀: https://academy.upsidestrength.com/bi... 🎓 Coach, S&C or Physio: Learn to Program Endurance Like a PRO with the Upside Strength ENDURANCE MASTERMIND: https://academy.upsidestrength.com/ma... SUMMARY: Are you stuck thinking Zone 2 equals 70% of your max heart rate? That’s a common trap. In this video, Sean Seale breaks down why that number is misleading and how data from hundreds of athletes proves it’s possible—even necessary—for some to train Zone 2 at heart rates above 85%. Whether you’re a coach or an athlete, this breakdown will forever change how you understand endurance intensity zones. CHAPTERS: 0:00 - Introduction 0:25 - The 70% HR max myth 1:05 - Why max heart rate formulas fail 2:04 - Real-world test data insights 3:00 - Case study: CrossFitter's HR max increase 4:05 - Understanding first threshold vs HR max 5:40 - Why training changes your threshold 6:33 - The 70% average vs personal variability 7:25 - Max Walt's exceptional Zone 2 profile 8:30 - Mechanical cost of upper-zone training 9:45 - Summary: Yes, Zone 2 can be 85%+ HR max --- WHO IS SEAN? Sean is an endurance coach based in Switzerland. A generalist at heart with a keen interest in sports physiology, he specialises in endurance training and respiratory training for all sports. He has been coaching beginners and professional athletes for nearly 10 years, helping them improve their work capacity, recovery, and performance. He also teaches coaches, fitness trainers, and physiotherapists through his content, seminars, and online courses. — SUPPORT US Want to support Upside Strength? Kill two birds with one stone: Build your endurance or knowledge AND become a member of the Upside Strength Academy community 👉 https://academy.upsidestrength.com/ho...