Preheat the oven to 350 degrees. Wash the potatoes and place them directly on the oven baking rack. Bake for 45 to 60 minutes, until very tender when pierced with a skewer.
For a 125-pound runner: 63 grams of carbs, 21 grams of protein in a 3:1 ratio. 63 grams of carbs, 16 grams of protein in a 4:1 ratio. And when in doubt, just remember the 30/30 Rule: eat less than 30 grams of protein in less than 30 minutes after a run. Eat right and perform better. Find a nutrition plan for you.
Other good protein sources are tofu, nuts and dried beans. As with carbohydrates, food labels tell you how many grams of protein are in a serving. An endurance athlete should consume 3-5 servings per day. One serving of lean meat, fish or poultry is 3 ounces, roughly the size of a deck of playing cards.