1. An apparatus for simulating a running contest comprising: a track about which running contest is conducted; movement indicator means positioned for movement on the track for indicating distance travelled by a contestant; and means coupled to the movement indicator means for controlling the movement indicator means, including means operated by depressive foot movements in the form of running that are supplied by a user for generating control signals, wherein the amount of distance travelled indicated by the movement indicator means is a function of the control signals supplied from the controlling means, wherein the controlling means includes: first activating means operated by the depressive foot movement of one foot of the user for providing a first signal; second activating means operated by the depressive foot movement of the other foot of the user for providing a second signal; and means coupled to the first and second activating means for transmitting control signals to the movement indicator means wherein the control signals are transmitted when either the first or the second, but not both activating means are being operated.