| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2011 | 
|---|---|---|---|---|---|
| 1 | 926 | Jasmine Chaney |  USA | 55.22 | 55.22 | 
| 2 | 270 | Nikolina Horvat |  CRO | 56.28 | 56.54 | 
| 3 | 525 | Kaliese Spencer |  JAM | 52.79 | 52.79 | 
| 4 | 750 | Elena Churakova |  RUS | 54.79 | 54.79 | 
| 5 | 139 | Elodie Ouédraogo |  BEL | 55.40 | 55.40 | 
| 6 | 191 | Vania Stambolova |  BUL | 53.68 | 53.68 | 
| 7 | 909 | Anna RYZHYKOVA |  UKR | 54.77 | 54.77 | 
| 8 | 382 | Eilidh Doyle |  GBR | 55.16 | 55.67 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2011 | 
|---|---|---|---|---|---|
| 1 | 678 | Muizat Ajoke Odumosu |  NGR | 54.59 | 56.23 | 
| 2 | 545 | Satomi Kubokura |  JPN | 55.34 | 55.34 | 
| 3 | 947 | Queen CLAYE |  USA | 54.55 | 54.78 | 
| 4 | 745 | Natalya Antyukh |  RUS | 52.92 | 53.75 | 
| 5 | 893 | Anastasiya Rabchenyuk |  UKR | 53.96 | 54.75 | 
| 6 | 528 | Melaine Walker |  JAM | 52.42 | 53.56 | 
| 7 | 741 | Wenda NEL |  RSA | 56.13 | 56.13 | 
| 8 | 533 | Nickiesha Wilson |  JAM | 53.97 | 55.57 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2011 | 
|---|---|---|---|---|---|
| 1 | 305 | Sara Slott PETERSEN |  DEN | 55.97 | 55.97 | 
| 2 | 717 | Vera BARBOSA |  POR | 55.81 | 55.81 | 
| 3 | 409 | Perri Shakes-Drayton |  GBR | 54.18 | 54.62 | 
| 4 | 527 | Ristananna Tracey |  JAM | 54.58 | 54.58 | 
| 5 | 934 | Lashinda Demus |  USA | 52.63 | 53.31 | 
| 6 | 294 | Zuzana HEJNOVÁ |  CZE | 53.29 | 53.29 | 
| 7 | 109 | Lauren BODEN |  AUS | 55.25 | 55.78 | 
| 8 | 905 | Anna Titimets |  UKR | 54.69 | 54.69 |