The prevalence of hypertension in Indonesia increases with age. Health promotion is needed to prevent hypertension and its complications among those who have not yet reached old age. Sport especially aerobic type has been known to control blood pressure. The objective of the study is to evaluate the association among frequency and regularity of exercise with blood pressure reduction. A Retrospective cohort study and Cox Regression analysis was conducted using secondary data of members of KJS Pondalisa during the first year of membership. The result of study showed that there were no member doing exercise three times weekly as programmed. The maximum exercise’s regularity was 15 weeks. There is no statistically significant effect of two times weekly exersices on reduction of blood presure compared to frequency of less than two times weekly. Reduction of blood presure will be occured if the exercise is conducted for more than 8 weeks continuously.