A good swimming start was contributed to the encouragement that swimmers can used this. The start contributed 10% from the amount of time on a swimming competition with distance 50 meters. The study purpose was analyzed the backstroke movement of Indonesian swimming athletes in the 14-year age group including the distance of jumps, impulses, travel time in the air, the take off angle, the angle of knee at the start block, and angle of fall. Type of qualitative research with a descriptive

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... s approach. The sample are 3 swimming athletes. Data was taken by recording the backstroke swimming start movement and then analyzed with dartfish software and looking for the amount of impulse produced. Motion analysis shown that the backstroke start technique performed by swimmer 3 is better than swimmer 1 and swimmer 2 because it results longer jump distances, greater impulses and shorter air travel time. The starting technique was performed with the knee angle at the start block at 34, the take off angle at 22, the falling angle at 38 resulting jump distance of 255.90 cm, an impulse of 2.5057 Ns, and a travel time in air 48 seconds.