If you’re curious about testing your running performance, manual treadmills can often serve as a capable assessment tool. The responsiveness of the T7878 lets you control the intensity of your workout safely with a multi-grip handlebar system. The 16 levels of resistance make this treadmill perfect for those looking to test their walking, jogging, or running performance. The sturdy construction, versatile handrails, and adjustable resistance create the ideal environment for HIIT (High Intensity Interval Training) workouts and Tabata training.