| Ranking | Player | Record | Advance |
|---|---|---|---|
| 1 |
|
44.10 |
Q |
| 2 |
United States
|
44.28 |
Q |
| 3 |
Trinidad and Tobago
|
44.31 |
Q |
| 4 |
Botswana
|
44.45 PB |
Q |
| 5 |
Nigeria
|
44.50 PB |
Q |
| 6 |
Australia
|
44.53 PB |
Q |
| 7 |
Zambia
|
44.56 |
Q |
| 8 |
44.66 PB |
Re | |
| 9 |
Jamaica
|
44.68 |
Re |
| 10 |
Grenada
|
44.78 |
Q |
| 11 |
Great Britain
|
44.78 |
Q |
| 12 |
Botswana
|
44.87 |
Q |
| 13 |
United States
|
44.89 |
Q |
| 14 |
Great Britain
|
44.96 |
Q |
| 15 |
Canada
|
44.96 |
Q |
| 16 |
Italy
|
44.99 |
Q |
| 17 |
Sri Lanka
|
44.99 PB |
Q |
| 18 |
South Africa
|
45.01 |
Re |
| 19 |
Belgium
|
45.01 |
Q |
| 20 |
Germany
|
45.07 |
Re |
| 21 |
Belgium
|
45.08 |
Re |
| 22 |
Dominican Republic
|
45.11 |
Re |
| 23 |
Jamaica
|
45.12 |
Q |
| 24 |
Hungary
|
45.24 |
Re |
| 25 |
Botswana
|
45.28 |
Re |
| 26 |
Portugal
|
45.35 |
Re |
| 27 |
Belgium
|
45.36 |
Re |
| 28 |
Japan
|
45.37 |
Re |
| 29 |
Norway
|
45.46 |
Q |
| 30 |
Colombia
|
45.49 |
Re |
| 31 |
Nigeria
|
45.52 |
Re |
| 32 |
Senegal
|
45.59 |
Re |
| 33 |
Japan
|
45.60 |
Re |
| 34 |
South Africa
|
45.60 |
Re |
| 35 |
Saint Lucia
|
45.69 |
Re |
| 36 |
Ukraine
|
45.71 |
Re |
| 37 |
Czechia
|
45.71 |
Re |
| 38 |
Switzerland
|
45.81 |
Re |
| 39 |
Brazil
|
45.85 |
Re |
| 40 |
Jamaica
|
45.97 |
Re |
| 41 |
Japan
|
46.13 |
Re |
| 42 |
France
|
46.19 |
Re |
| 43 |
Italy
|
46.74 |
Re |
| 44 |
Argentina
|
47.80 |
Re |
Kenya
|
Did Not Finish |
||
Bahamas
|
Did Not Start |
- PB Personal Best
- Q Qualified by place (track) or standard (field)
- Re Qualified for the Repechage Round
