Ключевые слова: 2017, active, adult, athlete, athletic, bottle, caucasian, competition, competitive, distance, endurance, exercise, fast, feet, forest, hand, healthy, jogging, leader, legs, male, man, marathon, men, motion, nature, outdoor, park, people, race, real, rivalry, rocks, run, runner, runners, running, shoes, sport, stones, track, trail, water, winner, woodland, young,