Complex sentence: Delisa Walton-Floyd (born 28 July 1961) is a former World-Class middle distance runner who specialized in the 800 metres; she was a two-time National Collegiate champion, and two-time United States champion in her event.
Split into simpler sentences: Delisa Walton-Floyd (born 28 July 1961) is a former World-Class middle distance runner who specialized in the 800 metres. She was a two-time National Collegiate champion, and two-time United States champion in her event.