400 m Freestyle, Women
| Competition | 2021 South-East Asian Games (SEA Games) |
|---|---|
| Venue |
Hanoi
 VIE
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Gan Ching Hwee |  SGP |
4:14.16 | ||
| 🥈 | Kamonchanok Kwanmuang |  THA |
4:17.13 | ||
| 🥉 | Võ Thị Mỹ Tiên | VIE |
4:17.52 |