A discus is a heavy, circular object used in the sport of track and field. It is typically made of metal or plastic and has a diameter of about 22 centimeters for men and 18 centimeters for women. Athletes throw the discus from a circular area, aiming for maximum distance. The sport of discus throw has ancient origins, dating back to the ancient Olympics in Greece. It is one of the events in the decathlon and heptathlon, showcasing strength, technique, and precision. Competitors must use a specific throwing technique to achieve the best results.