400 m Freestyle, Men
| Competition | 2025 South-East Asian Games (SEA Games) |
|---|---|
| Venue |
Bangkok, Chonburi
 THA
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Khiew Hoe Yean |  MAS |
3:50.63 | ||
| 🥈 | Trần Văn Nguyễn Quốc |  VIE |
3:53.18 | ||
| 🥉 | Nguyễn Huy Hoàng | VIE |
3:53.50 |