Ключевые слова: arena, artificial, athlete, athletic, background, colorful, compete, competition, concept, contest, course, empty, event, exercise, field, finish, forward, grass, green, ground, health, healthy, illustration, lane, line, material, natural, nobody, number, outdoor, pattern, physical, race, racecourse, racetrack, ready, red, rubber, run, spirit, sport, stadium, start, success, surface, texture, textured, track, vintage, white,