Ключевые слова: arena, artificial, athlete, athletic, background, billboard, board, challenge, color, colorful, compete, competition, competitive, concentration, course, curve, determination, direction, dome, empty, event, exercise, field, finish, forward, game, ground, lane, lifestyle, new, number, outdoor, pattern, perspective, race, racecourse, racetrack, red, running, score, seat, sport, sprint, stadium, start, success, texture, track, winner,