Outdoors,Full Length,30-35 Years,Young Adult Man,Mid-Adult Man,Competition,Whites,Group Of People,Training,Concentration,people,Sport,Blacks,20-25 Years,Sports Clothing,Group,Preparation,Waiting,Looking Down,Focus,Track And Field,Kneeling,Starting block,Dedication,People In A Row,Bending,Running Track,Runner,Sprinter,Track and field athlete,grandstand –