| Ranking | Player | Record | Advance |
|---|---|---|---|
| 1 |
United States
|
50.44 |
Q |
| 2 |
Puerto Rico
|
50.52 |
Q |
| 3 |
Nigeria
|
50.59 |
Q |
| 4 |
Great Britain
|
50.59 |
Q |
| 5 |
South Africa
|
50.66 PB |
q |
| 6 |
Czechia
|
50.81 |
q |
| 7 |
Poland
|
50.89 |
|
| 8 |
Latvia
|
50.93 |
|
| 9 |
Italy
|
51.07 PB |
|
| 10 |
Ireland
|
51.18 |
|
| 11 |
Ireland
|
51.28 |
|
| 12 |
Lithuania
|
51.33 |
|
| 13 |
Canada
|
51.43 |
|
| 14 |
Belgium
|
51.46 PB |
|
| 15 |
Czechia
|
51.46 |
|
| 16 |
Australia
|
51.65 |
|
| 17 |
Chile
|
51.79 |
|
| 18 |
Guyana
|
51.84 |
|
| 19 |
Colombia
|
51.90 |
|
| 20 |
Portugal
|
52.04 |
|
| 21 |
Czechia
|
52.15 |
|
| 22 |
Brazil
|
52.32 |
|
| 23 |
India
|
52.59 |
|
| 24 |
Canada
|
52.68 |
|
| 25 |
Colombia
|
52.86 |
|
| 26 |
Bahamas
|
53.50 |
|
Belgium
|
Did Not Start |
- PB Personal Best
- Q Qualified by place (track) or standard (field)
- q Qualified by time (track and relays) or performance (field events)
