This bachelor thesis deals with the marketing communications of the Czech athletic federation. The main aim of this work is to investigate the effectiveness of methods by which the Czech athletic federation communicates with its members and fans. The secondary objective is developing proposals and recommendations which should lead to improvements in future communication. The thesis is divided into theoretical part and practical part. In the theoretical part Czech athletic federation is introduced and concepts of contemporary marketing communications in sport organizations are presented The practical part consists of communication mix analysis, quantitative research of communication with members, qualitative research of communication with th...