The Cascade Ultra Runner not only gives you all the exercise benefits of a self-powered curved treadmill, but it also gives you the option to add 4 levels of magnetic resistance to add higher intensity interval training. Walk or run at your own pace then add resistance to burn more calories and add variety to your workout. Comfortable handlebars accommodate all user sizes and facilitate different exercises. There are interval programs for high intensity workouts and displays level, time, distance, calories, watts. HR and speed. Built in wireless heart rate receiver. Premium anti-slip molded rubber slats with sealed bearings create an exceptionally quiet and smooth-running surface and reduce friction wear and tear. The rear handle makes it so easy to pick up and move the Ultra Runner. The ultimate training tool, the Cascade Ultra Runner is fully commercial and built to last.