| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 | 
|---|---|---|---|---|---|
| 1 | 853 | Karolin Tsarski |  EST | 56.11 | 56.11 | 
| 2 | 939 | Erica Franzolini |  ITA | 55.21 | 55.88 | 
| 3 | 1161 | Brandi Cross |  USA | 53.40 | 54.48 | 
| 4 | 1078 | Antonina Krivoshapka |  RUS | 53.57 | 53.57 | 
| 5 | 952 | Sonita Sutherland |  JAM | 53.90 | 53.90 | 
| 6 | 711 | Jaimee-Lee Starr |  AUS | 53.91 | 53.91 | 
| 7 | 1132 | Abigail David |  TTO | 54.38 | 54.38 | 
| 8 | 1047 | Zuliana Fontanez |  PUR | 56.22 | 56.22 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 | 
|---|---|---|---|---|---|
| 1 | 1196 | Kineke Alexander |  VIN | 54.93 | 54.93 | 
| 2 | 961 | Junko Kitajima |  JPN | 55.87 | 55.87 | 
| 3 | 873 | Gemma Nicol |  GBR | 54.27 | 54.27 | 
| 4 | 1166 | Natasha Hastings |  USA | 52.09 | 52.09 | 
| 5 | 1106 | Muna Jabir Adam |  SUD | 54.51 | 54.51 | 
| 6 | 1083 | Anastasiya Shuvalova |  RUS | 54.23 | 54.23 | 
| 7 | 778 | Jenna Martin |  CAN | 55.66 | 55.66 | 
| 8 | 1020 | Queen Ogbemudia |  NGR | 54.28 | 54.28 |