owever, studies are mixed about the usefulness of this practice. One problem in practice is that it is difficult to consume such a high level of carbohydrates over several days. Event distance is a factor. Also, studies have failed to consistently show that performance, speed, and/or endurance, improves even when the diet is followed. Although some athletes report improved performance, it is possible that this is a placebo effect. Genetic and gender differences may also play a role. Regardless of its efficacy, what is the reasoning behind carbohydrate loading