Ключевые слова: abstract, active, activity, arena, artificial, athlete, athletic, background, baseball, championship, colorful, compete, competition, competitive, concepts, contest, course, empty, exercise, field, finish, focus, forward, ground, lane, new, nobody, number, outdoor, pattern, physical, race, racecourse, racetrack, red, road, rubber, run, runner, spirit, sprinting, sprints, stadium, start, success, surface, texture, textured, track,