The NordicTrack Commercial Le Treadmill and the iFIT Train Membership boast technology that puts results within anyone s reach. iFIT tracks your performance and automatically adjusts the 12% incline to -3% decline range, and 0-12 Mph so every workout can be hands-free and personalized to you. The RunFlex cushioned deck mimics outdoor hiking, walking, running, and jogging so you re better prepared to take your progress outside. iFIT is the world s largest outdoor workout library, featuring over 10,000 workouts led by professional athletes and trainers. Easily fold and roll it away to maximize your room s space. With iFIT, this treadmill is more than just a treadmill. It becomes an effective personal training tool for real results.