Ключевые слова: 42195, activity, adults, afroamerican, athlete, athletics, blind point, brow of a hill, city, competition, crowd, danger, effort, exercise, front view, hill brow, lead group, leaders, leading, lifestyle, marathon, mass, mens, moving, outdoor, pain, people, popular, race, recreation, road, run, runner, sacrifice, shallow depth of field, sport, street, sweat,