The AssaultRunner Pro is the most versatile, easy-to-use and effective non-motorized treadmill available today. Powered by your own stride, the AssaultRunner Pro matches your output and then pushes you to give even more. It’s low-impact design also helps promote proper running form and even prevents injury. Plus, the AssaultRunner Pro’s compact construction means that it’s portable enough to move easily from room-to-room or across a crowded gym floor.