What We've Learned from Testing Thousands of Athletes: How testing body composition, metabolism, fitness and sweat testing can unlock performance

In this episode of the Working Triathlete Podcast, we sit down with Kurt Lockhart of Transformat10n Lab in Nashville, Tennessee, to discuss what they've learned from testing thousands of athletes. We explore how body composition analysis, resting metabolic rate testing, metabolic and aerobic fitness assessments, lactate testing, and sweat testing can provide valuable insights into performance, health, and longevity in endurance sports.We dive into common patterns seen among endurance athletes, including low energy availability, body composition misconceptions, fueling mistakes, and the physiological factors that often limit performance. We also discuss the practical application of DEXA scans, resting metabolic rate testing, VO₂ max testing, substrate utilization analysis, lactate testing, and advanced metabolic modeling to help athletes better understand how they produce and use energy.Whether you're chasing a Kona qualification, a personal best, or simply looking to train and fuel more effectively, this episode offers a behind-the-scenes look at how modern performance testing can help athletes make smarter decisions and unlock their full potential.