sentences:  With times of 52.61 and 52.62, both athletes went under Sally Gunnell's old world record of 52.74 from the previous edition of the World Championships.That time would remain Buford's personal best, and is still the fifth quickest of all time.The following year she competed for the United States in the 1996 Summer Olympics held in Atlanta, U.S., where she won the bronze medal in the 400 meter hurdles behind Jamaica's Deon Hemmings and Batten.