The video shows a black horse with a flowing mane and tail running in an indoor arena. The horse is wearing white bandages on its legs. The arena has a sandy floor and wooden walls. The horse is moving at a fast pace, with its hooves kicking up sand as it runs. The horse's muscles are tense, and its ears are perked up, indicating that it is focused and alert. The lighting in the arena is bright, highlighting the horse's shiny coat. There are no other animals or people visible in the video.