Title: Development of Olympic snowboarding performances on the halfpipe Objective: The aim of the diploma thesis is to analyze the performance of snowboarders on the halfpipe in the years 1998 to 2018 at the Winter Olympics Games. Methods: The main method was to observe and compare the competitors on the halfpipe. In each year of the Olympic Games, the 3 best athletes in the given category were selected. The method of comparison, observation and content analysis was used in the diploma thesis. Results: The results bring an overview of individual rides in the halfpipe at the Winter Olympics Games from 1998 to 2018, depending on the selected observation criteria. They also compare individual rides and point out the development of performance. Conclusion: The development of selected parameters was noticeable, however not completely continuous. Two hypotheses were refused and one was confirmed. Keywords: snowboard, achievement, competition, development, halfpipe