Ключевые слова: 1011 years, athlete, athleticism, bonding, boy, brother, cardio, cheerful, child, childhood, children, competitive, enjoyment, family, fit, fitness, forest, girl, health, jogging, kid, lane, lifestyle, outdoor, park, person, preadolescent, pretty, run, running, setra, sister, sports, sportswear, stadium track, street, summer, teen, teenagers, together, track, track and field athlete, track and field event, training, treadmill, twins, two, two people, weekend activities, young,