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Are Potatoes Good Carbs to Eat Before a Marathon Even if the marathon you're preparing for is your first, you've probably heard of carbohydrate loading and its potential to double your glycogen stores. While this is accurate to an extent, simply loading up on the starchiest food you can find is not the right way to do it. Potatoes may be loaded with carbs, but they're not the best thing to eat right before a marathon. They can be a legitimate part of a carbloading phase, but even then, there is a better alternative.

Carb Loading A proper carbloading course begins about a week before the race, when you drop your carbs to make up no more than half your daily calories. During this period, you continue to train on schedule the point is to deplete your glycogen stores as thoroughly as possible. Think of it as cleaning out the fridge before you load it up with fresh, new food. About four days before the race, bump up your carb intake to about 70 percent your training should be lighter at this point in preparation for the race, so the glycogen is less likely to get used up. Although white potatoes are complex carbs, they break down more like simple carbs. They affect your blood sugar valentino uk online quickly, but the energy they give you is shortlived. This means relying on white potatoes for fuel may make you hit the wall not long after starting the race. They are higher in fiber than white potatoes, and they have a more gradual effect on your blood sugar, leading to a steadier, more sustained energy source. They are also packed full of vitamins, minerals, antioxidants and antiinflammatory agents that can help your body during the race in other ways. Race day is not the time for experimentation you must work out a nutrition plan that works for you during training. Eat different things at different times before your long runs to see what agrees with you and what doesn't. Everyone is different. Some people's stomachs would be too upset for them to run if they followed Ms. Waitz's method, while others graze on carbs right up until the starting gun. Wherever you fall in that spectrum, avoid fats and large amounts of protein the morning of the race they can slow digestion and weigh you down, and your performance will suffer.