The video shows a group of swimmers in a body of water, likely a lake or a sea, as they are swimming in a race. The swimmers are wearing caps and goggles, and they are using the freestyle stroke to swim. The water is relatively calm, and there are buoys floating on the surface, indicating the path that the swimmers are following. In the background, there is a boat with people on it, possibly spectators or officials. The swimmers are moving quickly and appear to be competing against each other.