| IAAF World U20 Championships | Date: 07/19-07/24/16 Venue: Stadion Zawisza - Bydgoszcz, PL |
Women's 400m Dash
| Finals: Heat #1 |
| Semifinals: Heat #1|3 |
| Preliminaries: Heat #2|4|5 |
|
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| Place | Overall | Name | Year | Team | Time | Score |
|---|---|---|---|---|---|---|
| 1 | 1 | James, Tiffany | Jamaica | 51.32 | - | |
| 2 | 2 | Irby, Lynna | United States | 51.39 | - | |
| 3 | 3 | Bromfield, Junelle | Jamaica | 52.05 | - | |
| 4 | 4 | Thornton, Jessica | Australia | 52.05 | - | |
| 5 | 5 | Thomas, Maureen | Kenya | 52.09 | - | |
| 6 | 6 | Gomez, Roxana | Cuba | 52.24 | - | |
| 7 | 7 | McDonald, Natassha | Canada | 53.35 | - | |
| 8 | 8 | Koba, Dzhois | Ukraine | 53.74 | - |
Semifinals:
Heat #1
|
|
| Place | Overall | Name | Year | Team | Time | Score |
|---|---|---|---|---|---|---|
| 1 | 2 | Irby, Lynna | United States | 51.90 | ||
| 2 | 9 | Winters, Karrington | Ohio State | 53.04 |
| Semifinals:
Heat #3
|
|
| Place | Overall | Name | Year | Team | Time | Score |
|---|---|---|---|---|---|---|
| 1 | 1 | James, Tiffany | Jamaica | 51.77 |
| Preliminaries:
Heat #2
|
|
| Place | Overall | Name | Year | Team | Time | Score |
|---|---|---|---|---|---|---|
| 1 | 12 | Winters, Karrington | Ohio State | 54.12 |
| Preliminaries:
Heat #4
|
|
| Place | Overall | Name | Year | Team | Time | Score |
|---|---|---|---|---|---|---|
| 1 | 1 | James, Tiffany | Jamaica | 52.98 |
| Preliminaries:
Heat #5
|
|
| Place | Overall | Name | Year | Team | Time | Score |
|---|---|---|---|---|---|---|
| 1 | 3 | Irby, Lynna | United States | 53.04 |