The researcher noted deficiencies of some juniors in the stage of crossing the hurdle in the championship of the Republic under (18) years old, which in turn affects the numerical level; the researcher has attributed this to the low level of flexibility that is considered as a foundation stone in the 110meter hurdle. Having a reference to the results of international standard numbers to the 110meter hurdles race, the researcher noted a decrease in the level of the Egyptian record compared to the international one, and the following table illustrates this: