How do people that do this exercise? are they mostly sedentary?
I mostly ride bikes for exercise and need fuel at least every hour on a ride or else I will bonk out. My output is 500kcal/hour based on power meter, a 4 hour ride would be 2000kcal, it's not doable without some food intake.
I mostly ride bikes for exercise and need fuel at least every hour on a ride or else I will bonk out. My output is 500kcal/hour based on power meter, a 4 hour ride would be 2000kcal, it's not doable without some food intake.