The paper analyzes the problem of accelerated maturation of children-athletes with reference to the theories of socialization and constructing their own maturation. To study the stated problem the theoretical and applied works of the researchers N. V. Veselkova and E. V. Pryamikova, aimed at revealing the social nature of the maturation competence, as well as two author's sociological researches were used. The first is "Longevity in sports of highest achievements", which was carried out by the method of questionnaire survey of high-class athletes (n = 400 people).
