The Primal Strength Curved Treadmill is a commercial non-motorised treadmill designed for athletes to sprint at their maximum capacity. The curved treadmill base ensures a true, natural running motion. The treadmill comes with a LCD monitor to gauge max speed, time, calories, countdown time, Heart rate, and HR recovery. Non-motorised treadmills are perfect for "deadmill running" and HIIT. The Primal Strength Curved Treadmill has six levels of resistance, meaning athletes can walk or run freely on the treadmill or drive against the handle bars in a full sprint "prowler" position for maximum speed and power output. The unique handle bar design offers athetes a wide variety of exercise positions. Curved-base, non-motorised treadmills offer a variety of exercises, including: Sprints Deadmill Sprints Sideway shuffle steps Backwards running Prowler pushes (using full resistance) Reverse Leg Pulls Key Features: Commercial Self-Powered Curved Treadmill Perfect for HIIT, Sprints & Prowler Sprin