When I signed up to do my first marathon many years ago I had a few thoughts. One was, "OMG, WTF am I doing?" And the second was, "I can eat anything I want—YAS!" Embarrassing as that is, I bet I'm not the first person to have that mindset. And while digging into endless pints of ice cream and being a regular at my favorite bar's 25-cent beer and wing night did not cause the pounds to pack on as quickly as they would have if I had been sedentary, I realized when I crossed that finish line and started my recovery for the next few days that diet does indeed make a big, big difference.
See entire FitnessMagazine article here