Abstract: A treadmill having a device for a virtual walking course image and a method for driving the treadmill. The treadmill is structured to be used within a restricted space and has a separate image device which enables a user to select, a course from a virtual walking course image menu. The speed of the image displayed on the monitor changes with the walking speed of the user. In a slope mode in which the walking course has sloped and curved road sections, a driving belt of the treadmill operates according to the mode to realize the corresponding slope. Further, a storage device stores and manages walking records of the user, thereby enabling a personal exercise record to be checked. Further, the screen of the monitor can be split into two or more screens.