| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | 
|---|---|---|---|---|---|---|
| 1 | 1 | 2 | 625 | Kemi ADEKOYA |  BRN | 51.47 Q AIR | 
| 2 | 2 | 2 | 827 | Quanera HAYES |  USA | 51.54 Q | 
| 3 | 3 | 2 | 712 | Stephenie Ann MCPHERSON |  JAM | 51.91 Q SB | 
| 4 | 1 | 1 | 839 | Ashley SPENCER |  USA | 52.39 Q | 
| 5 | 4 | 2 | 849 | Kabange Mupopo |  ZAM | 52.68 NIR | 
| 6 | 5 | 2 | 762 | Małgorzata HOŁUB-KOWALIK |  POL | 52.73 SB | 
| 7 | 2 | 1 | 767 | Justyna ŚWIĘTY-ERSETIC |  POL | 53.00 Q | 
| 8 | 3 | 1 | 791 | Iveta PUTALOVÁ |  SVK | 53.13 Q SB | 
| 9 | 4 | 1 | 776 | Bianca Razor |  ROU | 53.34 | 
| 10 | 5 | 1 | 743 | Lisanne DE WITTE |  NED | 53.35 | 
| 11 | 6 | 2 | 773 | Grace CLAXTON |  PUR | 53.67 | 
| 12 | 6 | 1 | 601 | Samantha Edwards |  ANT | 54.67 |