Complex sentence: In 2017 after her return to the racetrack was delayed by injury, she won the Grade I Ogden Phipps after a seven-month layoff and then won the Delaware Handicap in July for her ninth Grade I victory.
Split into simpler sentences: In 2017 after her return to the racetrack was delayed by injury, she won the Grade I Ogden Phipps after a seven-month layoff. In July, she won the Delaware Handicap for her ninth Grade I victory.