Ключевые слова: 2015, active, adult, alone, athlete, athletic, blue, city, colors, competition, crowd, dark, europe, evening, event, field, fit, fit man, foot, group, health, joggers, leader, leg, leisure, lifestyle, male, man, many, mass, midnattsloppet, midnight, motion, night, orange, people, race, road, run, runner, runners, shoe, smartphones, spectacular, speed, sport, stockholm, summer, sweden, training,