V diplomskem delu so bili podrobneje raziskani nekateri vidiki športne aktivnosti mladih v povezavi z njihovim življenjskim slogom. Pri tem je bil poseben poudarek namenjen prostemu času, vrednotam in zdravju mladih, nekaterim socio-demografskim dejavnikom, ki vplivajo na njihovo športno udejstvovanje, ter vzrokom za njihovo (ne)aktivnost. Na podlagi opredelitev in ugotovitev dosedanjih raziskav so bile v teoretičnem delu predstavljene značilnosti življenjskega sloga mladih in športne aktivnosti, v empiričnem delu pa so bile podrobneje raziskane nekatere povezave med obema področjema. V ta namen je bila izvedena anketna raziskava med študenti Univerze v Mariboru, ki je dala odgovore na zastavljena raziskovalna vprašanja. Ugotovili smo, da, čeprav športna aktivnost ni najpogostejša prostočasna aktivnost mladih, kljub temu predstavlja pomemben del njihovega življenjskega sloga, saj je večina mladih športno aktivnih. Aktivni posamezniki se bolj zavedajo pomembnosti redne telesne dejavnosti, kar se odraža v njihovih vrednotah in skrbi za zdravje. Tudi prevladujoči motivi za športno udejstvovanje so v precejšnji meri povezani z zdravjem. Ob tem športno aktivnost posameznikov pomembno določajo tudi spol in nekateri dejavniki družinskega okolja. The graduation thesis investigates some aspects of young people’s sports activity in relation to their lifestyle. Special emphasis was placed on their leisure time activities, values and health condition, as well as on some socio-demographic factors affecting their sports activities, and reasons for their sports (in)activity. In the theoretical part the characteristics of young people’s lifestyle and their sports activity were discussed in detail, based on definitions and findings from previous studies. In the empirical part certain relations between both fields – their lifestyle and sports activities were investigated. For this purpose a poll among students at the University of Maribor was carried out. The findings show that sports activity is not the main leisure time activity of young people however, it is an important part of their lifestyle, since most of them are engaged in sports activities. Physically active individuals are more conscious of the importance of regular physical activity, which is reflected in their values and their health care. The main motives for sports participation of young people are considerably related to health care. Furthermore, their sports activity is significantly defined by gender and some factors related to family environment.