High-quality Greek-Roman style wrestlers' characteristics have been deeply theoretically discussed and explained. It's pretty clear that today's wrestlers must possess comprehensive general and special preparation, rich technical-tactful repertoire, sport's intelligence, strong nerve system, good motivation and emphasized readiness to carry all training and competitive temptations. These general assumptions were analyzed by many specialists through many different aspects. Some of them emphasized technical preparation as the main factor and others underlined tactful qualification. The most of specialists emphasized the unbreakable unity and connection of technical tactful, physical and psychological preparation of top wrestlers. Although there are some disagreements about the way of preparation, all specialists agree that good selection of candidates is necessary for the top results. Candidate's age and his fitness in age characteristics specifically for certain category are one of the main criterion for selection. It's not rare coaches give up the most qualified competitor at that moment with the reason that the competitor won't be able to be a candidate for the highest standing at the time of Olympics. In this essay, special attention is committed to the analyze of age-structure of Greek-Roman style wrestlers with the special Athens Olympics 2004. review.