| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 258 | Debbie Dunn |
USA |
52.24 Q |
| 2 | 2 | 1 | 4 | Christine Amertil |
BAH |
52.50 Q |
| 3 | 3 | 1 | 15 | Amantle MONTSHO |
BOT |
52.72 q NR |
| 4 | 1 | 4 | 132 | Novlene Williams-Mills |
JAM |
52.73 Q |
| 5 | 1 | 2 | 47 | Denisa Rosolová |
CZE |
52.75 Q PB |
| 5 | 1 | 2 | 275 | Deedee Trotter |
USA |
52.75 Q |
| 7 | 3 | 2 | 111 | Aliann Pompey |
GUY |
52.76 q |
| 8 | 2 | 4 | 64 | Maris Mägi |
EST |
53.21 q |
| 9 | 1 | 3 | 201 | Natalya Nazarova |
RUS |
53.50 Q |
| 10 | 3 | 4 | 50 | Zuzana HEJNOVÁ |
CZE |
53.56 |
| 11 | 2 | 3 | 23 | Vania Stambolova |
BUL |
53.57 Q |
| 12 | 4 | 1 | 149 | Kou Luogon |
LBR |
53.69 |
| 13 | 3 | 3 | 75 | Virginie Michanol |
FRA |
53.70 |
| 14 | 4 | 4 | 216 | Tiandra Ponteen |
SKN |
53.89 |
| 15 | 4 | 3 | 248 | Antonina Yefremova |
UKR |
53.97 |
| 16 | 5 | 3 | 160 | Tjipekapora Herunga |
NAM |
55.40 NR |
| 17 | 6 | 3 | 159 | Kay Khine Lwin |
MYA |
1:00.78 PB |
| 4 | 191 | Tatyana Firova |
RUS |
DQ | ||
| 2 | 134 | Bobby-Gaye Wilkins-Gooden |
JAM |
DQ | ||
| 1 | 230 | Munira Saleh |
SYR |
DQ | ||
| 2 | 285 | Racheal Nachula |
ZAM |
DNS | ||
| 2 | 1 | Klodiana Shala |
ALB |
DNS |