Initial implementation of speed endurance in 100m optical lenses in schools for male students The General Education Class of 2021, Tay Nguyen University is still poor. After the experiment, the speed endurance in the 100m swimming pool of the research subjects increased, but in the experimental group A increased more than in the control group B. This difference has scientific significance because of the values. calculated values are larger than the table at the confirmation threshold P<
5%. That proves, the exercise that we have selected and applied is clearly effective in developing endurance at a distance of 100m on the roof of the school for boys in the General Education class of 2021, Tay Nguyen University.