Ключевые слова: abstract, active, activity, arena, artificial, asphalt, athlete, athletic, background, black, championship, compete, competition, competitive, concepts, contest, course, cover, empty, exercise, field, finish, floor, focus, forward, ground, lane, line, nobody, outdoor, pattern, race, racecourse, racetrack, road, run, running, sport, sprinting, sprints, stadium, start, success, surface, texture, textured, track, training, white,