This study aims to analyze the effect of the relationship among leg volume, leg mass and flexibility on success in university student elite gymnasts. It was conducted on Haliç University, Marmara University, Çukurova University and University of Kirsehir Ahi Evran gymnastics teams (male and female) which took part in Turkish Intercollegiate Gymnastics Championship and, later, voluntarily participated in this study. While years of age, height and weight of male gymnasts participating in the study were 21.20±1.57, 174.00±4.57 and 67.60±6.46 kg, respectively, the same values were 21.00±2.65 years of age, 165.31±4.60 cm and 54.62±4.63 kg for female gymnasts, respectively. Spearman correlation analysis was performed using SPSS 22.0 package program for Windows, the level of significance was taken as 0.05. The analysis results indicate a highly positive significant correlation (r=0.761, p<0.001) between leg volume and leg mass in male gymnasts, a highly positive significant correlation (r=0.674, p<0.01) between leg volume and leg mass in female gymnasts, a highly positive significant correlation (r=0.795, p<0.001) between leg volume and leg mass in male and female gymnasts, a low positive significant correlation (r=0.361, p<0.05) between leg volume and success in male and female gymnasts, and a moderate positive significant correlation (r=0.463, p<0.05) between leg mass and success in male and female gymnasts. As a result, gymnastics as a sport requires a combination of speed, strength, endurance, agility, and flexibility. Speed, strength, agility and flexibility are important parameters for training and performance. In addition, an optimal amount of leg volume (13000 ml, 14000 ml) and leg mass (13-14 kg) contribute to success in elite gymnasts.