Abstract: A racing device for a racing dog that utilizes a muzzle with a front end, that is worn on the face of the racing dog while racing, and a transceiver, that is placed on the front end of the muzzle and emits a signal. There is a receiving station, located at the finish line of a race, that receives the emitted signal from the transceiver, indicating when the transceiver crosses the finish line. There is also a timer, used in combination with the receiving station, that indicates what time the transceiver crosses the finish line. The invention includes GPS, RF and laser technologies and also includes an embodiment for a racing horse.