Women's 400m Hurdles Round 1 - Heat 1
mardi 16 août 2016, 00h50 GMT – 05h50 GMT
| Nom | Temps | |
|---|---|---|
| 1 |  Ristananna Tracey | 54.88″ |
| 2 |  Zuzana Hejnova | + 0.66″ |
| 3 |  Ayomide Folorunso | + 0.9″ |
| 4 | Stina Troest | + 1.18″ |
| 5 | Sydney McLaughlin | + 1.44″ |
| 6 | Petra Fontanive | + 1.92″ |
| 7 |  Zurian Hechavarria | + 2.4″ |
| 8 | Maureen Jelagat Maiyo | + 3.09″ |