The aim of this work is to establish a relationship between the various anthropomorphological (AnthMorph) characteristics of crawl sprint swimmers of both genders in relation to critical speed at 50 and 100 meters (sprint distances). The research has been carried out over a sample of 13 male and 12 female swimmers in sprint crawl style. The given value of the critical speed at 50 and 100 meters was obtained by applying the mathematical modelling of Distance - Time ratio, calculated from the 15, 25, 50 and 100m distances covered in crawl style. The AnthMorph characteristics of swimmers are evaluated over a set of eight variables: BMI, LBM, and percentage of fat, leg-length and arm-length index, the shape of the chest, the trunk and the body. With regards to men, a higher level of critical speed had those with a more pronounced rectangular shape of trunk (the same proportion of the width of shoulders and hips in relation the the body height) and a higher level of lean body mass - LBM. With regards to women, a higher level of critical speed had swimmers with a shorter arm length in relation to body height and a higher LBM.
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