Laufen 400m | 400m (F) | 06.08. 14:35 | Finale
| # | Name | Zeit | |
|---|---|---|---|
| 1 |  | Shaunae Miller-Uibo | 48.36s |
| 2 |  | Marileidy Paulino | 49.20s |
| 3 |  | Allyson Felix | 49.46s |
| 4 |  | Stephenie McPherson | 49.61s |
| 5 | | Candice McLeod | 49.87s |
| 6 |  | Jodie Williams | 49.97s |
| 7 | | Quanera Hayes | 50.88s |
| 8 |  | Roxana Gómez | DNF |