4 x 400 m Relay, Mixed
| Competition | 2021 NACAC Athletics U18 Championships |
|---|---|
| Venue |
San José
 CRC
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Jamaica |  JAM |
3:25.27 | ||
| Kishay Rowe | — | ||||
| Roshawn Clarke | — | ||||
| Oneika Brissett | — | ||||
| Delano Kennedy | — | ||||
| 🥈 | Bahamas |  BAH |
3:27.73 | ||
| Shimar Bain | — | ||||
| Lacarthea Cooper | — | ||||
| Javonya Valcourt | — | ||||
| Shamar Smith | — | ||||
| 🥉 | Costa Rica | CRC |
3:45.26 | ||
| Amanda Muñoz | — | ||||
| Ian Hawkes | — | ||||
| Naydelin Calderón | — | ||||
| André García | — |