There are four people in the image. They are all wearing athletic clothing suitable for running. The person on the left is wearing a white shirt with black sleeves, dark shorts, and white shoes. The person in the middle is dressed in a green shirt with black sleeves, dark shorts, and white shoes. The person on the right is wearing a yellow shirt with black sleeves, dark shorts, and white shoes. All four individuals appear to be engaged in a race, as indicated by their athletic attire and the presence of a race number on their shirts.