The video shows a swimming competition taking place in a large pool. The swimmers are seen competing in the backstroke, with each swimmer occupying their own lane. The pool is divided into multiple lanes by floating lane dividers, which are colored blue and yellow. The swimmers are wearing swim caps and goggles, and they are using a freestyle stroke to propel themselves through the water. The water in the pool is a clear blue color, and the pool is surrounded by a deck area where spectators and officials are standing. The swimmers are moving at a fast pace, and their arms are seen moving in and out of the water in a coordinated manner. The video captures the intensity and competitive nature of the swimming competition.