Women's 400m Round 1 - Heat 5
samedi 13 août 2016, 14h28 GMT – 19h28 GMT
| Nom | Temps | |
|---|---|---|
| 1 |  Shaunae Miller | 51.16″ |
| 2 |  Morgan Mitchell | + 0.14″ |
| 3 | Ruth Sophia Spelmeyer | + 0.27″ |
| 4 |  Emily Diamond | + 0.6″ |
| 5 | Kanika Beckles | + 1.25″ |
| 6 |  Bianca Razor | + 1.26″ |
| 7 | Kineke Alexander | + 1.29″ |