ENThe relevance of this study. Sport is for the most part a enjoyable experience, attracting billions of people to games, events Sports events generate a huge amount of rubbish, from packaging, plates and bottles to food waste. Lithuania still has a significant number of organizers who have not given up disposable plastic utensils at their sporting events. The aim of this study was to assess the sustainability of sports events organized in Lithuania. The main problem remains that most sports events in Lithuania do not give up and use disposable tableware. Since January, the capital's council has taken an extraordinary decision - from 2020. No disposable plastic utensils will be used at the events taking place in Vilnius in March. The objectives of the study are: to reveal the meaning of sustainability of sports events in the theoretical aspect. Identify the factors and quantities that determine the generation of plastic waste. To study the contribution of sports events organized in Lithuania to environmental sustainability. The findings showed that during 2019 and 2020, 151 thousand disposable cups, 30 thousand 0.5 l bottles and 47 thousand pieces of other waste were generated. The used methodology is justified - scientific literature analysis. Non-standardized review interview. Questionnaire survey. Quantitative data analysis. Sports events of 6 different organizers were studied. Data for the last two years (2019, 2020) were analyzed. An additional online survey included 117 respondents. Key words: sustainability, sporting events, plastic, reusable tableware. [From the publication]