> 32.OG/W/400 metres

1. Shaunae Miller-Uibo/BAH - 48.36 - AR - NR
2. Marileidy Paulino/DOM - 49.20 - NR
3. Allyson Felix/USA - 49.46
4. Stephenie Ann McPherson/JAM - 49.61
5. Candice McLeod/JAM - 49.87
6. Jodie Williams/GBR - 49.97
7. Quanera Hayes/USA - 50.88
-. Roxana Gómez/CUB - DNF

3/sf3. Sada Williams/BAR - 50.11 - NR
1/sf1. Marileidy Paulino/DOM - 49.38 - NR
5/sf1. Eleni Artymata/CYP - 50.80 - NR