| | Top level | Event type
400 metres Individual Medley, Women – Round One, Heat Three
| Date | 18 September 1988 |
|---|---|
| Location | Su-yeong-jang, Ol-lim-pik Gong-won, Seoul |
| Pos | Swimmer | NOC | Time | |||
|---|---|---|---|---|---|---|
| 1 | Noëmi Lung |  ROU | 4:41.96 | |||
| 2 | Kathleen Nord |  GDR | 4:42.92 | |||
| 3 | Jodie Clatworthy |  AUS | 4:44.26 | |||
| 4 | Yelena Dendeberova |  URS | 4:46.63 | |||
| 5 | Lin Li |  CHN | 4:48.89 | |||
| 6 | Birgit Lohberg-Schulz |  FRG | 4:52.05 | |||
| 7 | Marianne Muis |  NED | 4:56.31 | |||
| 8 | Mildred Muis | NED | 4:56.89 |