The video shows a swimming competition taking place in an indoor pool. The swimmers are seen diving into the pool and swimming towards the end of the pool. The spectators are seated on the sides of the pool, watching the swimmers. The swimmers are wearing swim caps and goggles, and the pool is divided into lanes with lane dividers. The swimmers are moving their arms and legs in a coordinated manner to swim as fast as possible. The water in the pool is clear and blue, and the lighting in the pool area is bright.