Complex sentence: Gordon did not win until the Sharpie 500 night race at Bristol in August after passing Rusty Wallace, who was slowed by lapped cars, with three laps left, his first victory in the night race at Bristol.
Split into simpler sentences: Gordon did not win until the Sharpie 500 night race at Bristol in August after passing Rusty Wallace, who was slowed by lapped cars, with three laps left. This was his first victory in the night race at Bristol.