Q&A #19 - Does carbohydrate fueling impact fat oxidation in training and racing, and endurance sports metabolism 101   Does taking on carbs during exercise stop or reduce fat oxidation? The fallacy of the carb/fat oxidation "switch" Effective training is the best way to improve substrate utilisation (and therefore performance) - of both carbs and fats! What we know and don't know about fasted training   LINKS AND RESOURCES:   That Triathlon Show website  Coaching Training Plans Intermediate Ironman 20-week Training Plan:  Running pace, bike power version Running pace, bike heart rate version Running power and bike power version The Endurance Diet with Matt Fitzgerald | EP#153 Race-day fueling and The Core Diet with Jesse Kropelnicki | EP#40 Training The Gut | EP#122 Triathlon Nutrition: Calories, Carbs, Fats, and Proteins – part 1 | EP#94 Triathlon Nutrition: Calories, Carbs, Fats, and Proteins – Part 2 | EP#95     SPONSORS: Retül - Retül Bike Fit makes riding more enjoyable by making you more efficient while reducing the chance of injury and increasing comfort on the bike. It’s also more than just a bike fit - it’s a way to learn about your body, the root cause of your aches and pains, and how a proper fit will help you achieve your cycling goals.   HIIT Science Course - If you are a coach, a sports scientist or student, or an athlete that want in-depth knowledge into understanding the science/physiological response of HIIT, and how to actually apply it in triathlon, enroll in the HIIT Science while enrollment is open 22-31 January 2019.      RATE AND REVIEW: If you enjoy the show, please help me out by subscribing, rating and reviewing.      CONTACT: Want to send feedback, questions or just chat? Email me at mikael@scientifictriathlon.com or connect on Twitter - my handle is @SciTriat.