Ключевые слова: arena, athlete, athletic, background, color, compete, competition, competitive, concept, course, empty, event, exercise, field, finish, grass, green, ground, health, healthy, lane, lifestyle, line, nobody, outdoor, pattern, race, racecourse, racetrack, red, road, rubber, run, running, sky, speed, sport, sprint, sprinting, stadium, start, striped, success, sun, surface, texture, textured, track, white, win,