Here is another curved treadmill that takes your workouts to the next level. The MiM USA 7007XL Commercial Curved Treadmill is designed for cardio and strength training. It has a footprint of 73 x 36 x 65 inches. It can handle users up to 350lbs.
This treadmill can reach max speed of 20 miles per hour. Speed can be controlled by changing your position on the machine.