Passionate about your daily run or walk? The Precor 9.35 treadmill combines Integrated Foot Plant Technology (to support your natural stride) with the Ground Effects Impact Control System (which cushions each heel strike) for a more comfortable workout. Four User IDs let you customize your workout by viewing additional metrics, age and weight, or selecting a goal. There's a workout log and personal-best tracker to keep you motivated, and a SmartRate heart monitor to keep you in your target zone.