70 Resumé Philosophical, Theoretical and Practical Aspects of the Legal Regulation of Doping Doping in sport is a topic that is not thoroughly explored in the Czech legal environment. This thesis will attempt to remedy this gap in two steps. First, it will summarize the status quo with regards to doping, its definition, its history and the current state of regulation. Second, it will propose a solution to the question of whether, why and how should be the doping regulated. The text is divided in six chapters, the first four focussed on the world of doping today and the last two on proposing a solution. The first chapter introduces the problems of elite sport and the use of performance enhancing substances. This is followed by a brief excurs...