| Start: 20:20 Temperature 24° C Humidity 68%. |
| Rk | Final | time | | L | _____________ | | 1. |  Botswana | 2:57.76 | | 5 | | | Lee Bhekempilo Eppie 45.16s, Letsile Tebogo 44.05s, Bavabo Ndori 44.41s, Busana Collen Kebinatshipi 44.14s | | 2. |  United States | 2:57.83 | SB | 1 | | | Vernon Norwood 44.60s, Jacory Patterson 44.22s, Khaleb McRae 44.40s, Rai Benjamin 44.40s | | 3. |  South Africa | 2:57.83 | | 8 | | | Lythe Pillay 45.02s, Udeme Okon 45.62s, Wayde van Niekerk 43.26s, Zakithi Nene 43.83s | | 4. |  Belgium | 2:59.48 | | 7 | | | Jonathan Sacoor 45.19s, Robin Vanderbemden 45.39s, Alexanser Doom 44.49s, Daniel Segers 44.41s | | 5. |  Qatar | 3:01.64 | | 6 | | | Ammar Ismail Yahia Ibrahim 45.04s, Bassem Hemeida 45.81s, Ismail Doudai Abakar 45.21s, Abderrahman Samba 45.58s | | 6. |  Great Britain | 3:03.05 | | 7. |  Jamaica | 3:03.46 | | 8. |  Netherlands | 3:04.84 | | 9. |  Portugal | 3:09.06 |
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