Abstract
According to the content and problems of the research, this paper belongs to history of sport. It represents not only an aspiration to enrich history of sport through scientific-technical analysis of the role of a phenomenon of gymnasium for sports competition, but also the arousing of the research potential through new knowledge about sense of life of a young athlete in that space, reflection and studying of the significance of an ancient gymnasium for performance in the festivity games at Olympia. Ancient Greece gymnasiums had educational and cultural character. The existence of training space led to creation of conditions for appearance of the first founders of the sports science, who by their mediations, realizations and observations, were inspiring for all those who wanted to expand knowledge and transfer it to the others. Although, historians accurately described lives of ancient Greeks and their progressive cultural life, there are still things not enough described from the area related to actuality of the phenomenon of gymnasium in preparation of the young for competition in the Ancient Olympic Games.