to all those who go out on long rides on road bikes... do you feel like you don't have enough energy being on the primal lifestyle?

I did 100km last week and about half way through felt exceptionally tired. I had eaten an omelette for breakfast, a banana before the ride and I had 2 bananas with me during the ride but it still wasn't enough.

I decided to stop and grab a sandwich to give me enough fuel to make it home.