Ключевые слова: action, active, activity, adults, annual, athletic, city, competition, crowd, detail, distance, endurance, europe, event, exercise, fit, fitness, foot, group, health, healthy, holland, international, jog, jogger, leg, leisure, lifestyle, marathon, men, movement, moving, netherlands, outdoor, people, race, recreation, road, rotterdam, run, runner, speed, sport, start, street, sweat, track, win,