Complex sentence: Skeen would add a 7th in another race later in the year at Bowman Gray, but four DNFs in five races were capped when Skeen was tragically killed in the 1965 Southern 500 at Darlington Raceway.
Split into simpler sentences: Skeen would add a 7th place finish in another race later in the year at Bowman Gray. However, four DNFs in five races were capped when Skeen was tragically killed in the 1965 Southern 500 at Darlington Raceway.