Complex sentence: Patrick later raced in the Toyota Atlantic Series for the next two years and her best effort was third in the championship standings for the 2004 season in which she became the first woman to win a pole position in the series.
Split into simpler sentences: Patrick later raced in the Toyota Atlantic Series for the next two years. Her best effort was third in the championship standings for the 2004 season where she became the first woman to win a pole position in the series.