A tag is implanted in the forwardmost part of an animal to determine the location of the animal for competitive and security purposes. The tag is implanted such that it is inserted in the first part of an animal to cross a finish line. By using the tag to determine the when an animal has reached a predetermined location, the method and system can evaluate the results of the race, negating the need for human judgment. Further, the invention allows for tracking of the animal in transit and when at a race grounds.