The Cascade Ultra Runner not only gives you all the exercise benefits of a self powered curved treadmill, it gives you the option to add 4 levels of magnetic resistance to add higher intensity interval training. [SPECIFICATION] Comfortable ergonomic handlebar allows for natural arm and hand positions Easy to adjust 4 position intensity lever – from free running pace to maximum sled push workout Heavy duty anti-slip durable PU rubber molded slats with 608zz sealed cartridge bearings for smooth and quiet exercise/li> 63” x 17” comfortable curved running surface for effective HIIT workouts Rear handle makes it easy to move the Ultra Runner Anti-slip leveling foot levelers for excellent stability Built-in wireless heart rate monitor Integrated wheels for smooth transportation Improve power, speed, endurance and agility DIMESNIONS Length: 67 in (171 cm) Height: 66 in (168 cm) Width: 31 in (79 cm) Weight: 289 lbs (131 kg) Running Surface: 63" x 17" (160 cm x 44cm) Max User Weight: 350 lbs (159 kg) Shipping Weight: 333 lbs (151 kg)