4 x 400 m Relay, Mixed
| Competition | 2025 South-East Asian Games (SEA Games) |
|---|---|
| Venue |
Bangkok, Chonburi
 THA
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Vietnam |  VIE |
3:15.07 | ||
| Lê Ngọc Phúc | — | ||||
| Nguyễn Thị Hằng | — | ||||
| Tạ Ngọc Tưởng | — | ||||
| Nguyễn Thị Ngọc | — | ||||
| 🥈 | Thailand | THA |
3:16.56 | ||
| Sarawut Nuansi | — | ||||
| Benny Nontanam | — | ||||
| Joshua Atkinson | — | ||||
| Chinenye Onourah | — | ||||
| 🥉 | Philippines |  PHI |
3:27.22 | ||
| Alhryan Labita | — | ||||
| Bernalyn Bejoy | — | ||||
| Angel Rene Watson | — | ||||
| Alfred Talplacido | — |