Powerwalking, the popular low-impact exercise that helps to increase heart rate and promote overall fitness, can be described in a variety of ways. Some popular synonyms for powerwalking include brisk walking, speed walking, fast walking, athletic walking, and fitness walking. Each of these terms conveys the idea of walking at a pace that is faster than a leisurely stroll, with the goal of getting the heart rate up and burning calories. Whether you prefer to call it powerwalking, fitness walking, or something else entirely, this type of exercise is a great way to improve your health and get your daily dose of physical activity.