iFit Jillian Michaels Boot Camp - Level 4 iFit Jillian Michaels Boot Camp Program Level 4 SD card Intense 8-week program designed to kick your butt and get you into the best shape of your life Treadmill: 6-10 mph; 45- to 60-minute workouts Incline Trainer: 3-7 mph; 45- to 60-minute workouts