Just found this interesting article;
I've experimented recently with skipping breakfast, going out on the bike and feeding during training as needed (if it's a longer session). My energy levels are WAY higher, head feels clearer and for some reason I don't seem to be craving junk through the day. I don't think this is for everyone, but if you find that you are slow and sluggish all day after your usual early morning breakfast then it might just be worth a shot. The trick is to have a decent, carbohydrate based meal in the evening and post workout to replenish glycogen stores. Not sure how this will work in on race days yet though - i'll have to do a bit of testing.