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Dr. Iñigo San-Millán explains the science and strategy behind optimal cycling nutrition. Learn how TrainingPeaks' new Fueling Insights feature leverages decades of his metabolic research data to help athletes and coaches evaluate and individualize fueling plans based on athlete metrics, not guesswork. From breaking through the outdated 40-gram carb ceiling to personalizing race-day nutrition for every level of today's cyclist, learn how this tool is changing how we plan, perform and recover.

03:34 Iñigo Intro and Current Roles

07:50 Revamping Carbohydrate Intake for Athletes

12:41 Metabolic Flexibility

14:28 Pioneering Carbohydrate Oxidation Research

19:08 Fat Oxidation Misconceptions in Athletes

21:07 FATMAX: Peak Fat Oxidation Point

26:30 Race Performance and Energy Expenditure

27:48 Balancing Glycogen for Athletes

31:05 Cyclists' Nutrition & Intensity

38:31 Fueling Insights Workout Calculation Steps

39:48 Metabolism Variability Among Individuals

44:32 Risks of Fasted Workouts

47:16 Understanding Gross Efficiency Limitations

56:54 The Nutrition Evolution

Learn more about Fueling Insights

Learn more about TrainingPeaks

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