Ключевые слова: active, adult, athlete, athletic, caucasian, concept, determination, effort, endurance, exercise, fit, fitness, happiness, happy, health, healthy, healthy lifestyle, jogging, leisure, lifestyle, male, man, marathon, men, motivation, nature, one person, outdoor, outdoors, outside, people, recreation, road, run, runner, running, smiling, speed, sport, sport activity, sportswear, summer, sunset, training, triathlete, triathlon, workout, young, young adult,