Olympia
| # | Mannschaft | Zeit | |
|---|---|---|---|
| 1 |  | Shaunae Miller-Uibo | 50.50s |
| 2 |  | Roxana Gomez | 50.76s |
| 3 |  | Sada Williams | 51.36s |
| 4 |  | Aliyah Abrams | 51.44s |
| 5 |  | Kyra Constantine | 51.69s |
| 6 |  | Anita Horvat | 52.34s |
| 7 |  | Patience Okon George | 52.41s |
| # | Mannschaft | Zeit | |
|---|---|---|---|
| 1 | | Shaunae Miller-Uibo | 50.50s |
| 2 | | Roxana Gomez | 50.76s |
| 3 | | Sada Williams | 51.36s |
| 4 | | Aliyah Abrams | 51.44s |
| 5 | | Kyra Constantine | 51.69s |
| 6 | | Anita Horvat | 52.34s |
| 7 | | Patience Okon George | 52.41s |
