The Women's 400 metres Hurdles at the 1988 Summer Olympics in Seoul, South Korea had an entrylist of 35 competitors, with five qualifying heats (38 runners) and two semifinals (16) before the final (8) took place on Wednesday September 28, 1988.
Records
These were the standing World and Olympic records (in seconds) prior to the 1988 Summer Olympics.
The following Olympic records were set during this competition.
References
Athletics at the 1988 Summer Olympics – Women's 400 metres hurdles Wikipedia(Text) CC BY-SA