| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2010 | 
|---|---|---|---|---|---|
| 1 | 606 | Emelie Larsson |  SWE | 51.58 | 51.58 | 
| 2 | 658 | Avione Allgood |  USA | 49.71 | 49.71 | 
| 3 | 625 | I-Wen Wu |  TPE | 54.67 | 49.05 | 
| 4 | 551 | Tazmin Brits |  RSA | 57.55 | 56.18 | 
| 5 | 636 | Gülsüm Günes-Özdemir |  TUR | 50.52 | 50.52 | 
| 6 | 270 | Vilma Rantalainen |  FIN | 50.52 | 50.52 | 
| 7 | 464 | Betzabet Menéndez |  MEX | 51.57 | 51.57 | 
| 8 | 323 | Laura Henkel |  GER | 54.22 | 54.22 | 
| 9 | 272 | Sanni Utriainen |  FIN | 54.80 | 54.80 | 
| 10 | 218 | Lismania Muñoz |  CUB | 55.68 | 55.68 | 
| 11 | 485 | Lisanne Schol |  NED | 53.07 | 53.07 | 
| 12 | 454 | Līna MŪZE-SIRMĀ |  LAT | 54.60 | 54.60 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2010 | 
|---|---|---|---|---|---|
| 1 | 159 | Rafaela Gonçalves |  BRA | 55.60 | 55.60 | 
| 2 | 249 | Liina LAASMA |  EST | 54.08 | 54.08 | 
| 3 | 645 | Hanna Habina |  UKR | 53.88 | 53.30 | 
| 4 | 590 | Marija VUČENOVIĆ |  SRB | 51.73 | 51.71 | 
| 5 | 329 | Sarah Mayer |  GER | 55.14 | 55.14 | 
| 6 | 622 | Min-Fang Chen |  TPE | 49.88 | 49.88 | 
| 7 | 151 | Tatsiana KHALADOVICH |  BLR | 53.51 | 51.17 | 
| 8 | 185 | Tiffany Perkins |  CAN | 47.42 | 47.42 | 
| 9 | 529 | Karolina Mor |  POL | 54.80 | 52.64 | 
| 10 | 703 | Allison Updike |  USA | 50.95 | 50.95 | 
| 11 | 208 | Maria Lucelly MURILLO |  COL | 57.16 | 57.16 |