There are four individuals in the image. They are all wearing athletic clothing, including running shoes and t-shirts. The person on the left is wearing a white shirt and black shorts, while the person next to them is dressed in a red shirt and black shorts. The third individual is wearing a blue shirt and black shorts, and the fourth person is wearing a green shirt and black shorts. All of them appear to be engaged in running, as indicated by their posture and the fact that they are holding their hands up to their heads.