Complex sentence: She also won the 400 m freestyle event, obtained a silver for the 100 m backstroke and the 800 m freestyle, and a bronze for 4 × 200 m freestyle relay.
Split into simpler sentences: She also won the 400 m freestyle event. She obtained silver medals in the 100 m backstroke and the 800 m freestyle, and a bronze for 4 × 200 m freestyle relay.