The video shows a swimming competition taking place in a large indoor pool. The swimmers are lined up at the starting blocks, ready to dive into the water. As the race begins, they all jump in and start swimming towards the end of the pool. The swimmers are wearing swim caps and goggles, and the water is a clear blue color. The pool is divided into several lanes by floating lane dividers, and there are spectators in the stands watching the race. The swimmers are moving quickly and appear to be competing fiercely.