The Paralympic Games have had an increase in the number of athletes from year to year with disabilities. Over the years, the games have progressed and tried to reach the level of the Olympic Games. The International Paralympic Committee is the main manager of the Paralympic Games and is important for many sports, including paraswimming. Over the years, paraswimming has shown a larger number of competitors, but also much better results that lead to better success.The aim of this research is to collect data on the finalists of paraswimming competitions on Paralympic Games of the last twenty years, class S9 in the discipline of backstroke 100 m, and class SB9 in the discipline of breaststroke 100 m and analysis of the development trend. The sample of respondents consisted of male and female finalists of the S9 and SB9 classes in swimming last twenty years at the Paralympic Games. The data was collected in the form of official results from the International Paralympic Committee (IPC) website. The Statistica program, version 14.0.0.15, was used for data processing. Arithmetic mean (AS), minimum value (MIN), maximum value (MAX), and standard deviation (SD) were used to display the results. The results of the finals of the mentioned disciplines are shown graphically. Polynomial regression analysis was used to analyze the development trend of the average of the first three results of the final competitions. In the research, a linear growth of the results in the disciplines backstroke 100 m andbreaststroke 100 m is visible classes S9 and SB9 through the last twenty years of the Paralympic Games. At the 2008. Beijing Olympics and the 2012. London Games, there was less difference in results, and this can be attributed to the introduction of swimsuits that covered almost the entire body. The results of medal winning times show minor differences that are not statistically significant even though until 2010. swimmers used suits that improve their performance. Covid 19 did not have an impact on the results of the finalists at the Tokyo 2020. Paralympic Games, although the athletes had restrictions during their preparations for the competitions.