| Ranking | Player | Record | Advance |
|---|---|---|---|
| 1 |
Grenada
|
43.78 |
Q |
| 2 |
Zambia
|
43.81 |
Q |
| 3 |
United States
|
43.95 |
Q |
| 4 |
Great Britain
|
44.07 |
Q |
| 5 |
|
44.26 |
Q |
| 6 |
United States
|
44.31 PB |
q |
| 7 |
Trinidad and Tobago
|
44.33 |
Q |
| 8 |
Nigeria
|
44.41 PB |
q |
| 9 |
Botswana
|
44.43 PB |
|
| 10 |
Botswana
|
44.43 |
|
| 11 |
Great Britain
|
44.48 |
|
| 12 |
44.64 PB |
||
| 13 |
Jamaica
|
44.91 |
|
| 14 |
Australia
|
44.94 |
|
| 15 |
Senegal
|
44.94 |
|
| 16 |
Italy
|
45.01 |
|
| 17 |
Argentina
|
45.02 |
|
| 18 |
South Africa
|
45.06 |
|
| 19 |
Botswana
|
45.16 |
|
| 20 |
South Africa
|
45.24 |
|
| 21 |
Canada
|
45.25 |
|
| 22 |
Norway
|
45.60 |
|
| 23 |
Belgium
|
1:55.10 |
|
Sri Lanka
|
Disqualified |
- PB Personal Best
- Q Qualified by place (track) or standard (field)
- q Qualified by time (track and relays) or performance (field events)
