400 m, Women
| Competition | 2011 South-East Asian Games (SEA Games) |
|---|---|
| Venue |
Palembang
 INA
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Treewadee Yongphan |  THA |
54.13 | ||
| 🥈 | Nguyễn Thị Thủy |  VIE |
54.27 | ||
| 🥉 | Kay Khine Lwin |  MYA |
55.28 |