4 x 400 m Relay, Mixed
| Competition | 2021 South-East Asian Games (SEA Games) |
|---|---|
| Venue |
Hanoi
 VIE
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Thailand |  THA |
3:19.29 | ||
| Siripol Punpa | — | ||||
| Supanich Poolkerd | — | ||||
| Joshua Atkinson | — | ||||
| Benny Nontanam | — | ||||
| 🥈 | Vietnam | VIE |
3:19.37 | ||
| Trần Nhật Hoàng | — | ||||
| Nguyễn Thị Huyền | — | ||||
| Trần Đình Sơn | — | ||||
| Quách Thị Lan | — | ||||
| 🥉 | Philippines |  PHI |
3:31.53 | ||
| Edgardo Alejan | — | ||||
| Bernalyn Bejoy | — | ||||
| Joyme Sequita | — | ||||
| Jessel Lumapas | — |