Increasing how many carbohydrates you eat two days before your half marathon can improve your performance, studies show. Aim to eat easily digestible carbs that you normally eat and increase carb 8-10 grams per kg (2.2 lbs) of body weight. Learn more about how to carb loading before half marathon, including what to eat, below.... The post How to Carb Load for a Half Marathon appeared first on The Mother Runners.