Energy Sources Explained
Understanding how the body generates energy is crucial for runners. While aerobic processes primarily utilize fatty acids and carbohydrates, anaerobic efforts kick in at higher intensities, providing quick bursts of energy. Interval workouts often blend these systems, emphasizing that even high-intensity sessions remain predominantly aerobic.In this clip
From this podcast

The Running Explained Podcast
s2/e08 The Science of "Aerobic" & "Anaerobic" Running with Coach Laura Norris (@lauranorrisrunning)
Related Questions
Will anaerobic capacity also be trained when training for aerobic capacity, for example, if I do a 20-minute HIIT workout with 8 sets of 30 seconds max effort and 1-minute rest, as discussed in the episode Dr. Andy Galpin: How to Build Physical Endurance & Lose Fat | Huberman Lab Guest Series and the clip Lactate and Energy?
If running uses glycogen more, does that mean fats are not used at all during the session?
If running uses glycogen more, does that mean fats are not used at all during the session?