The video shows a group of swimmers diving into the water and swimming in a race. The swimmers are wearing swim caps and goggles, and are swimming in a synchronized manner. The water is calm, and the swimmers are moving swiftly through it. The background shows a crowd of spectators watching the race, and there are banners with logos and text visible. The swimmers are wearing different colored swimsuits, and the water is reflecting the colors of their swimsuits and the surrounding environment.