An Olympic competitor is someone who participates in the Olympic Games, a major international sporting event held every four years. A SPRINTER is an ATHLETE who specializes in running short distances, usually between 100 and 400 meters. An ATHLETE is someone who competes in sports, either professionally or as an amateur. USA is an abbreviation for the United States of America, a country that has participated in the Olympics since 1896. A DIVER is an ATHLETE who performs acrobatic feats while jumping or diving into water from a platform or springboard. Finally, a highjumper is an ATHLETE who specializes in jumping over a bar set at a certain height.