Mitral valve prolapse is one of the most important small abnormalities of the heart, causing specialists’ interest in matters of admission to sports. The aim of the study was to improve medical support training process of athletes with different clinical forms of mitral valve prolapse. Methods and results. 59 athletes with mitral valve prolapse were examined, 188 athletes were included in the control group. It was established that the different clinical forms of mitral valve prolapse should be taken into account while sports’ physicians provide differentiated approach to the issues of access and training planning, competitive loads in athletes.