Running in place has gotten a whole lot more interesting as treadmills evolve to include ... we found this belt—made from near-frictionless rubber slats—to be one of the easiest to move ...

The model making the most noise lately is this curved treadmill, which is nearly 70% off right now. The Syedee Curved Manual Treadmill is on sale for just $650 at Walmart during its spring Super ...