The aim of this study is to investigate the relationship between measures of height and weight, motor fitness factors (speed, agility, balance) in middle school students (13 to 15 years old) city of Sara van in the 2016-2015 school year. The population of this study included all male students in secondary schools (1413 patients) which of this number, 150 were selected by cluster sampling from five schools randomly. This research a descriptive and correlational research. For data analysis, descriptive statistics and Pearson correlation coefficient was used to examine the relationship between variables. All information gathered analyzed statistically by the software SPSS version 18. The findings show that there is a significant inverse correlation between height and static balance nut between height and speed as well as the height and agility no significant relationship was observed. In addition, it was found that between weight and speed, agility and balance, there is a significant inverse relationship.