On this episode of Ask the Coaches with Tawnee & Lucho: Clarification from ATC 218 on glycogen depletion: Yes, with MAF and being fat-adapted you are more able to spare glycogen and avoid glycogen depletion, but with harder/longer efforts (racing, long bricks, intensity, and 2-6+ hour days) we tap into glycogen for fuel more, thus we deplete more and Read More