In this episode, we welcome back Nick Jankovskis, a sports scientist and endurance performance coach at METS Performance Consulting. Nick is an expert in improving endurance performance through accurate analysis of physiological testing. We dive into fueling and how to test physiology for endurance sports, particularly focusing on Ironman events and long-distance races. Nick shares insights on the new equipment at METS Performance that allows for more detailed testing and provides better numbers for fueling requirements. Tune in now! 00:49  Introduction and Upgrade in Equipment 03:37 Understanding the Breakdown of Fuel Utilization 08:35 Common Issues with Fueling 14:01 Timing and Frequency of Fuel Intake in Training Sessions 18:38 The Importance of Flexibility in Fueling 25:40 How Proper Fueling Can Improve Performance in Long Swimming Sessions 29:30 Challenges of Testing for Swimmers 39:41 Understanding Individual Differences in Fueling 52:12 The Power of Implementing Basic Fundamentals 53:18 Get in touch: Testing and Consultation Services