1 |  | Pologne (Q) 3:10.44 Iga Baumgart-WitanKajetan DuszynskiMalgorzata Holub-KowalikDariusz Kowaluk
Record de la région
| 3:10.44 |
2 |  | Pays-Bas (Q) 3:10.69 Ramsey AngelaLisanne de WitteJochem DobberLieke Klaver
Record national
| 3:10.69 |
3 |  | Jamaïque (Q) 3:11.76 Sean BaileyKarayme BartleyJunelle BromfieldStacey Ann Williams
Record national
| 3:11.76 |
4 |  | Grande-Bretagne 3:11.95 Cameron ChalmersZoey ClarkEmily DiamondLee Thompson
Record national
| 3:11.95 |
5 |  | Italie 3:13.51 Vladimir AcetiRebecca BorgaAlice MangioneEdoardo Scotti
Record national
| 3:13.51 |
6 |  | Ukraine 3:14.21 Mykyta BarabanovKateryna KlymyukAlina LohvynenkoOleksandr Pohorilko | 3:14.21 |
7 |  | Brésil 3:15.89 Pedro BurmannAnderson HenriquesTiffani MarinhoTabata Vitorino
Record de la région
| 3:15.89 |
8 |  | Inde 3:19.93 Arokia RajivRevathi VeeramaniSubha VenkatesanMuhammed Anas Yahiya
Meilleure performance de la saison
| 3:19.93 |