400 m, Women
| Competition | 1999 South-East Asian Games (SEA Games) |
|---|---|
| Venue |
Bandar Seri Begawan
 BRU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Manimegalay Nadarajah |  MAS |
54.80 | ||
| 🥈 | Nguyễn Thị Lan Huong |  VIE |
55.25 | ||
| 🥉 | Raquel Perera Soselisa |  INA |
55.25 |