After completing 17 Ironman distance triathlons, I have become good friends with fatigue. Over the past few years I have become much better at tolerating fatigue. Winning my age group at IM Chatt ('17), IMWI ('18) and IMLP ('21) and qualifying for the Ironman World Championship six times has proved to me that becoming a better long-distance triathlete is all about consistency, patience and strength. Over the past few years, there's been a great amount of talk over fat burning as a metabolic approach to delay fatigue and to improve endurance performance. Carbohydrate fuels are limited in the body and glycogen (stored carbs) depletion is a major cause of fatigue during high duration activities. Therefore, by increasing the reliance on fat for fuel (because fat fuel supplies are unlimited in the body), endurance athletes can delay fatigue through increased fat burning. To increase fat oxidation during exercise, athletes often resort to fasted training, a high-fat/low carb...
3x Author, Board Certified Sports Dietitian, Master of Science in Exercise Physiology, 2017 IM CHOO Amateur Female Champion, 19xIronman finisher including 6xIM World Championship finisher, Triathlon Coach, 30-year Vegetarian.Trimarnicoach.com