The video shows a swimmer swimming in a pool. The swimmer is wearing a blue swimsuit and is swimming in a lane. The water is clear and blue, and the pool has multiple lanes marked by floating lane dividers. The swimmer is moving forward with a steady pace, using a freestyle stroke. The swimmer's arms are moving in a circular motion, and their legs are kicking in a fluttering motion. The swimmer's head is above the water, and they are looking forward. The swimmer's movements are smooth and consistent, indicating that they are experienced and skilled in swimming.