Experience Natural Running Like Never Before The Air Runner ARUN100 is a self-powered curved treadmill that runs entirely on your own energy—no electricity required. Thanks to its innovative curved running surface, you control your pace naturally by adjusting your stride. Walk, jog, or sprint instantly without pressing buttons or waiting for a motor to accelerate. By engaging more muscle groups than a traditional treadmill, the ARUN100 can help you burn up to 30% more calories while delivering a smooth and natural running experience. The low-friction slat belt glides effortlessly, while the shock-absorbing rubber running surface reduces impact on your joints and connective tissues. Whether you're training for speed, endurance, or explosive power, the ARUN100 is the perfect choice for HIIT, CrossFit, functional fitness, and professional athletic training. Specifications Self-powered curved treadmill driven entirely by the user's movement Instant speed changes with no buttons or motor delay Ideal for HIIT, CrossFit, functional fitness, sprint training, and athletic conditioning Four manually adjustable resistance levels for walking, running, or high-resistance sled-push style workouts Curved running surface promotes a natural running technique Shock-absorbing rubber slat belt helps reduce stress on joints and connective tissue Low-friction slat system ensures an exceptionally smooth running experience Heavy-duty steel frame built for intensive commercial use Integrated transport wheels and handle for easy relocation Console Battery-powered LCD display Displays shows Time, Distance, Calories burned & Heart Rate 7 workout modes: 20/10 and 20/30 interval programs Custom interval training 4 goal-based workout settings Dimensions Product: L 183 × W 93 × H 158 cm Running surface: L 160 × W 48 cm (curved) Net weight: 158 kg Maximum user weight: 150 kg