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.
Carbohydrates provide the fuel runners need. During half marathon training, 65% of your total calories should come from carbohydrates, particularly complex carbohydrates. 10% should come from protein (you need 0.5 to 0.7 grams per pound of your body weight each day). 20-25% of your total calories should come from unsaturated fats.