| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Jitka Burianová |
CZE
|
50.85 Q PB | |
| 2 | LaDonna Antoine-Watkins |
CAN
|
50.92 Q PB | |
| 3 | Nova Peris |
AUS
|
51.28 Q PB | |
| 4 | Natalya Nazarova |
RUS
|
51.44 Q | |
| 5 | Claudine Komgang |
CMR
|
51.57 | |
| 6 | Monique Hennagan |
USA
|
51.85 | |
| 7 | Kaltouma Nadjina |
CHA
|
52.60 | |
| 8 | Aliann Pompey |
GUY
|
53.42 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Katharine Merry |
GBR
|
50.50 Q | |
| 2 | Heide Seyerling |
RSA
|
50.87 Q PB | |
| 3 | Olga Kotlyarova |
RUS
|
50.97 Q | |
| 4 | Sandie Richards |
JAM
|
51.00 Q | |
| 5 | Charity Opara |
NGR
|
51.04 | |
| 6 | Zana Minina |
LTU
|
52.53 | |
| 7 | Norfalia Carabali |
ESP
|
52.63 | |
| 8 | Foy Williams |
CAN
|
52.68 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Lorraine Fenton |
JAM
|
50.66 Q | |
| 2 | Ana Guevara |
MEX
|
51.19 Q | |
| 3 | Amy Mbacke Thiam |
SEN
|
51.64 Q | |
| 4 | K. Mathews Beenamol |
IND
|
51.81 Q | |
| 5 | Olabisi Afolabi |
NGR
|
51.87 | |
| 6 | Otilia Ruicu-Esanu |
ROU
|
52.28 | |
| 7 | Allison Curbishley |
GBR
|
52.50 | |
| 8 | Lee Naylor |
AUS
|
53.83 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Cathy Freeman |
AUS
|
50.31 Q | |
| 2 | Falilat Ogunkoya |
NGR
|
50.49 Q | |
| 3 | Donna Fraser |
GBR
|
50.77 Q PB | |
| 4 | Mireille Nguimgo |
CMR
|
51.08 Q | |
| 5 | LaTasha Colander |
USA
|
52.07 | |
| 6 | K.V.Damayanthi Dharsha |
SRI
|
52.35 | |
| 7 | Hana Benešová |
CZE
|
52.70 | |
| 8 | Barbara Petráhn |
HUN
|
52.72 |