Ключевые слова: activity, architecture, arena, artificial, athlete, athletic, athletics, background, color, compete, competition, concept, course, empty, event, exercise, fast, field, finish, first, ground, health, healthy, line, nobody, outdoor, pattern, perspective, playground, race, racetrack, red, rubber, run, sport, sports, sprint, stadium, start, succeed, surface, synthetic, texture, track, training, treadmill, wallpaper, way, white, win,