Betty’s doctor told her to exercise . So she began running. She enjoys . She runs almost every day. She two miles a day. On the she runs five miles. She runs hills. She runs down hills. She in the street and on the . She runs on trails. She runs the heat and the cold. She on sunny days and rainy days. will run in the marathon next . Next week will be her first . A marathon is 26 miles. She run for three hours without stopping. won’t try to win the marathon. will try to finish it.