The video shows a swimming competition taking place in a pool with multiple lanes. The swimmers are wearing swim caps and goggles and are swimming the backstroke. The pool is surrounded by a crowd of spectators who are watching the race. The swimmers are moving their arms and legs in a coordinated manner to propel themselves forward. The water is a clear blue color, and the pool is marked with lane lines and buoys. The swimmers are wearing different colored swimsuits, and some are wearing goggles. The spectators are standing or sitting around the pool, and some are cheering for the swimmers.