Ключевые слова: action, active, athletics, boy, caucasian, children, class, competition, energy, exercise, field, fit, fitness, fun, girl, happy, healthy, jogger, jogging, joy, kids, learn, lifestyle, line, male, marathon, outside, park, people, playing, preschooler, race, run, runner, school, sport, sportsman, sprint, stadium, summer, team, track, trainer, training, victory, win, young,