-per-mile expenditure: run 15 miles and you burn an impressive 1,500kcal. You may even burn more than 110kcal per mile, depending on the amount of oxygen you use while running and on your body weight. (It costs more oxygen to transport a heavier person.) Women, alas
. First, there's the 100kcal-per-mile expenditure: run 15 miles and you burn an impressive 1,500kcal. You may even burn more than 110kcal per mile, depending on the amount of oxygen you use while running and on your body weight. (It costs more oxygen