The article is devoted to the impact of international sporting events on the development of the tourism industry of a metropolis. The aim of this work was to study the process of formation of sports heritage and to identify the nature of the impact of an international sports event on the tourism industry in the city of Novosibirsk. The study was based on the application of methods of comparative, system-structural and functional analysis. The article describes theoretical approaches to the definition of the term “legacy” of a sporting event. The role of mega-events in the economy of the host countries is substantiated. The experience of holding and the legacy of sporting events.. The author's approach to the analysis of the impact of international events on the development of tourism in a metropolis is proposed, which includes a strictly defined sequence of research. A generalization of the experience and legacy of the youth world hockey championship in some European and Russian cities is given. The results of assessing the current state of the tourism sector in the city of Novosibirsk are presented and factors demonstrating the process of preparing the city of Novosibirsk and the Novosibirsk Region for the Youth Hockey World Championship in 2023 are described. It is proved that for the city of Novosibirsk, holding the Youth World Hockey Championship will have a significant impact on the development of the tourism and hospitality industry. Potential positive and negative forms of heritage for the tourism industry of the metropolis are highlighted.