This textbook, developed for undergraduate students in the field of physical education 5112000, discusses the basics of control theory, the basics of measurement theory, measurement errors in sports, primary processing of measurement results, the basics of test theory, the basics of evaluation theory, standards, methods for quantitatively assessing quality indicators, metrological foundations of control of competitive activities, metrological foundations of complex control of physical education and sports, metrological foundations of physical fitness of athletes, phased, current and operational control, control of tactical preparation of athletes, metrology of model descriptions, determining and choosing a perspective in sports, technical means of teaching in the field of physical education and sports, the Internet and its capabilities in sports science. It is enriched with diagrams, drawings and tables deemed necessary to ensure the ease of mastering the topics described in the textbook.