| Final 22:35 | time | | L | React. | Q | | 1. United States |  USA | 3:09.34 | WR | 5 | 0.173 | 1. | | 2. Jamaica |  JAM | 3:11.78 | NR | 4 | 0.164 | 2. | | 3. Bahrain |  BRN | 3:11.82 | AR | 9 | 0.194 | 3. | | 4. Great Britain NI |  GBR | 3:12.27 | AR | 3 | 0.156 | q4. | | 5. Poland |  POL | 3:12.33 | NR | 7 | 0.159 | 5. | | 6. Belgium |  BEL | 3:14.22 | NR | 2 | 0.158 | q8. | | 7. India |  IND | 3:15.77 | SB | 8 | 0.243 | 7. | | 8. Brazil |  BRA | 3:16.22 | | 6 | 0.165 | 6. |
|
| Intermediate times: | | 400m: Jamaica 44.57s | | 800m: Poland 1:31.07 | | 1200m: Poland 1:22.22 |
|
|
Heats - Saturday 28.09 20:00 | | Best 3 from each 2 Semis and Best 2 times advanced to Final. Temperature --° C, Humidity -- % |
| Heat 1 20:00 | time | | L | React. | Rk | | 1. United States | USA | 3:12.42 | Q WR | 6 | 0.185 | 1. | | 2. Jamaica | JAM | 3:12.73 | Q NR | 7 | 0.171 | 2. | | 3. Bahrain | BRN | 3:12.74 | Q AR | 2 | 0.165 | 3. | | 4. Great Britain NI | GBR | 3:12.80 | q AR | 8 | 0.175 | 4. | | 5. Canada |  CAN | 3:16.76 | NR | 9 | 0.154 | 10. | | 6. France |  FRA | 3:17.17 | NR | 4 | 0.226 | 12. | | 7. Ukraine |  UKR | 3:17.50 | | 3 | 0.151 | 13. | | 8. Czechia |  CZE | 3:18.01 | | 5 | 0.198 | 15. |
|
| Intermediate times: | | 400m: United States 44.51s | | 800m: United States 1:35.71 | | 1200m: United States 2:26.98 |
|
| Heat 2 20:12 | time | | L | React. | Rk | | 1. Poland | POL | 3:15.47 | Q | 9 | 0.173 | 5. | | 2. Brazil | BRA | 3:16.12 | Q AR | 3 | 0.165 | 6. | | 3. India | IND | 3:16.14 | Q SB | 2 | 0.163 | 7. | | 4. Belgium | BEL | 3:16.16 | q NR | 5 | 0.151 | 8. | | 5. Italy |  ITA | 3:16.52 | | 6 | 0.201 | 9. | | 6. Kenya |  KEN | 3:17.09 | | 7 | 0.263 | 11. | | 7. Germany |  GER | 3:17.85 | | 4 | 0.189 | 14. | | 8. Japan |  JPN | 3:18.77 | NR | 8 | 0.275 | 16. |
|
| Intermediate times: | | 400m: Poland 46.11s | | 800m: Brazil 1:51.26 | | 1200m: Japan 2:25.15 |
|
|
| | | Quota 16 teams. Qualification Period 07.03.2018 - 06.09.2019. |
| Team | time | Venue | date | | | First 10 places in World 2017 | | 6 Best Ranked Teams | | Top 8 not qualified teams |
|
|
| 