The problem in this research is that when athletes are training or participating in competitions, it is clear that the quarter 1-2 is very good, and during the 3-4 quarters it is very lacking, the purpose of this research is to to determine the athlete's stamina. The form of this research is (one group pretest-postest design) with the population of the SMA Negeri 8 Pekanbaru basketball team. Th…