Training to meet your goals can be challenging. Are you trying to build muscle? Are you trying to lose weight? Your intake should vary based on your fitness goals.
For example, if you’re looking to build muscle, you want to increase your caloric intake. But if you’re looking to lose weight, you probably want to decrease caloric intake.
The following post from http://www.active.com/ offers some great direction as to how to eat based on your training goals -- http://tinyurl.com/l45fw8.