Ключевые слова: activity, adult, athlete, athletics, berlin, bmw, body, build, city, competition, competitive, endurance, event, exercise, exercising, germany, group, healthy, human, incentive, leg, lifestyle, lifestyles, marathon, men, motion, motivation, move, muscular, outdoors, people, physical, pursuit, race, record, running, shoe, shoes, sneakers, speed, sport, sports, starting, strength, sweat, time, track, training, women, world,