| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 1999 | 
|---|---|---|---|---|---|
| 1 | 670 | Jana Pittman |  AUS | 54.57 | 54.57 | 
| 2 | 1033 | Michelle Louw |  RSA | 54.51 | 54.51 | 
| 3 | 749 | Libania Grenot |  CUB | 54.31 | 54.31 | 
| 4 | 957 | Helen Okpanachi |  NGR | 52.98 | 52.98 | 
| 5 | 738 | Norma González |  COL | 53.32 | 53.32 | 
| 6 | 1142 | Monique Henderson |  USA | 51.96 | 51.96 | 
| 7 | 994 | Zaneta Tomczyk |  POL | 54.92 | 54.92 | 
| 8 | 1058 | Yana Vetcherkevitch |  RUS | 53.91 | 53.91 |