Ключевые слова: arena, artificial, athlete, athletic, background, colorful, colors, compete, competition, curve, direction, empty, exercise, field, finish, fitness, games, grass, green, ground, healthy, horizontal, hundred, lane, lifestyle, line, meter, number, outdoor, pattern, perspective, practice, race, racetrack, recreation, red, run, sport, sportive, sporty, sprint, stadion, stadium, start, surface, synthetic, tarmac, texture, track, white,