iFIT BODY SHAPING Level 3 ADVANCED SLIM & TONE Max. running speed: 8.5 MPH Max. incline: 10% Duration per unit: 45-60 minutes Calorie consumption per unit: approx. 800 - 1200 calories iFIT Workout Cards are only compatible with select NordicTrack Treadmills, Bikes and Ellipticals. Be sure your console has the iFIT card reader.