The video shows a swimming competition taking place in a large indoor pool. The pool is divided into multiple lanes, each occupied by a swimmer. The swimmers are seen performing the backstroke, with their arms moving in a circular motion and their legs kicking in a fluttering motion. The swimmers are wearing swim caps and goggles, and the water is a clear blue color. The pool is surrounded by spectators and officials, who are standing on the pool deck and watching the swimmers. The video captures the intensity and focus of the swimmers as they compete against each other.