Quote Originally Posted by colorisnt View Post
.... I was eating about 1600 cals a day, but that will not cut it.

I should listen to my sister and just eat and eat some more when I plan on doing a big ride the next day and right after my ride.
If you are not taking in enough, and you are not on your long ride days, then your body will start using things for energy that you don't want it to use.

After working this very same thing out with my dietician and doctor, though I do keep track/record what I eat - I don't really include the calories I consume right before, during or just after a long bike ride in my daily totals. This is actually less of a problem for me this year as I am not trying to ride 150,000 miles in one season like I tried last year but following this rule on my long ride days has helped greatly. I am no longer tired afterwards - and if I am it passes within an hour or so.