The NordicTrack X16 is an auto incline/decline treadmill that opens up entirely ... but NordicTrack does a lot to justify its premium subscription. iFit includes the world's largest library ...

The NordicTrack treadmills automatically adjust to the incline and speed of the coach ... the treadmill adjusts to a 2 percent decline and a speed of 5.5 miles per hour, allowing you to match ...

There’s no way around it: running a marathon is hard. And what makes it harder? A course that features lots of hills, whether ...