starting and stopping a car, which uses more petrol." A 10.7 stone (68kg) runner doing a four-miler at a nine-minute/mile pace burns about 480 calories. But you can torch more calories, speed weight loss and spark up your runs by swapping that four
15 miles a week burns roughly 1,500 calories – but to lose a pound, you need to cut 3,500 calories a week. Bottom line? Running alone won't cut it; if you want to lose weight more quickly, you need to adjust your calorie intake. In a study in the 2007
