Originally Posted by
gregf83
If you do any type of competitive rides at any level these diets are not for you. They may allow you to ride at submaximal efforts but will involve a significant performance hit for the type of intensity you would see in a race or even a competitive group ride.
Joe Friel, one of the authors of the Paleo Diet for Athletes, is an endurance athlete trainer. He trains people who are professional and high end amateur competitors. He obviously thinks that a low carb diet, with some modifications, is just fine for competitive riders.