Complex sentence: Trained and driven by Frank Ervin and for a while owned by Harry Warner of Warner Bros. film studio, Adios was a multiple world champion during his racing career, his pacing record at the Shelbyville, Indiana fair stood for 43 years.
Split into simpler sentences: Trained and driven by Frank Ervin and for a while owned by Harry Warner of Warner Bros. film studio, Adios was a multiple world champion during his racing career. His pacing record at the Shelbyville, Indiana fair stood for 43 years.