How to Use Technology in Endurance Training | #12 ft. David Mehlman

Welcome to the Critical Oxygen Podcast! In this episode David Mehlman and I discuss the use of technology to optimize your training and how he is using these principles to maximize his performance! A bit about David: David Mehlman is an entrepreneur, investor, and avid endurance athlete. Throughout his career, David has worked in sell-side equity research, for a multi-billion-dollar equity hedge fund, and as an early-stage investor focused on the consumer and technology sectors. His love of data led him to explore the subject of quantitative analysis and assessment in sport and his own performance. Enjoying these podcasts? Subscribe to get notified when new episodes are released. If you have a question or topic you want us to address, leave a comment! Follow Phil on Instagram - https://www.instagram.com/criticalo2 Follow David on Instagram - https://www.instagram.com/dmehlo/ Interested in testing, courses, or other long form content check out the critical oxygen website - https://www.criticaloxygen.com OUTLINE: 0:00 - Introduction to the Podcast and Guest 0:35 - David's Marathon Journey and Introduction 2:00 - Transition to Endurance Sports and First Triathlon 6:05 - Evolution of Training and Optimization 8:00 - Philosophy of Maximizing Potential and Capacity Utilization 10:53 - Comparisons and Misconceptions in Training 15:42 - Technology's Role in Calibration and Recovery 19:33 - Importance of Easy Runs and Stress-Rest Balance 22:10 - The Impact of Stress on the Body 23:05 - Acute vs. Chronic Stress in Running 23:30 - Physiological Characteristics in Training 24:00 - The Cyclical Nature of Training 25:15 - Micro Sine Waves in Training 26:00 - The Fallacy of Predicting Race Outcomes 27:00 - Willingness vs. Physiological Adaptations 28:30 - The Fallacy of Proving Fitness in Workouts 30:00 - Input Metrics vs. Output Metrics 33:00 - Stressing the Body for Adaptations 36:00 - The Pitfalls of Chasing Output Metrics 38:00 - The Danger of Data Misinterpretation 41:00 - Data as a Guide, Not Gospel 43:01 - Heart Rate as a Crucial Internal Variable 43:46 – Importance of Heat Adaptation and External Conditions 43:52 – Adjusting Pace Based on Heart Rate 44:04 – Managing Stress and Blood Flow 44:23 – Seasonal Considerations in Workouts 45:23 – Monitoring Cardiac Drift 46:05 – Achieving Negative Cardiac Drift 47:00 – Importance of Limiter Testing 48:13 – Specificity in Training Metrics 51:38 – Personalization and Goals 53:51 – Physiological Profiling and Testing 54:25 – Running Community and Support