The video shows a swimming competition taking place in a pool. The swimmers are seen competing in the backstroke, with each swimmer occupying their own lane. The pool is divided into lanes by floating lane dividers, which are colored in blue and yellow. The water in the pool is a clear blue, and the swimmers are wearing swim caps and goggles. The swimmers are moving their arms and legs in a synchronized manner, propelling themselves forward in the water. The video captures the intensity and focus of the swimmers as they compete against each other.