This treadmill is used in health clubs worldwide because of its outstanding quality, durability and overall reliability track record. From the beginning walker, to the most advanced triathlete or long distance runner, you'll get the most out your workouts when using this top of the line commercial model. Check out the mulitude of program options, the incredible speed range of up to 16mph, and the fantastic shock absorbing deck system that better protects ankles, knee's, hips and lower back like no other commercial treadmill on the market today.