5 mile walk 3 times a week, no carbs, but not losing any weight?

Not enough.: Weight loss depends on burning more calories than you take in. Each mile is 100 calories, so 5 miles at 3 times a week is 1500 calories awake . One pound weight loss is 3500 calories. So you have to decrease your food intake below what you need to have weight loss. Also, exercise will increase your metabolism a bit for 1-2 day after the exercise. So daily exercise will add a bit extra to the.