The video shows a swimming competition where a group of swimmers are racing in a pool. The swimmers are wearing swim caps and goggles. The pool is divided into several lanes by lane dividers, and the swimmers are competing in the butterfly stroke. The swimmers are moving their arms and legs in a coordinated manner, creating splashes in the water as they swim. The pool is surrounded by spectators and officials who are watching the race. The video captures the intensity and competitive nature of the swimming competition.