A 185-pound person can expect to burn roughly 178 calories walking for the same amount of time at the same pace. Leslie Sansone doesn't divulge how many calories are burned with one of her workouts - but depending on factors like your weight and intensity, you can burn between 100 to 150 calories per mile.Īccording to Harvard Health Publishing, a 125-pound person can expect to burn about 120 calories by walking for 30 minutes at a relatively slow 3.5 mile-per-hour pace.