Toward top sports achievements, there is necessary to do directed selection that will be based to genetic characteristics. The aim of the paper is estimation of height-weight relations at top swimmers that could be used in athletes selection. The research is done on 50 top swimmers and 50 selected swimmers of Central and East Serbia. Body height, body weight, ideal body mass, Body mass index and Ketle index were analyzed. Results of research show that top swimmers are over averaged body height, optimal body height, body mass index presents normal nutrition and Ketle index values are in normal framework. Selected swimmers of Central and East Serbia have lower height values than top swimmers. .
