# 2006 World Junior Championships in Athletics – Women's 400 metres

The women's 400 metres event at the 2006 World Junior Championships in Athletics was held in Beijing, China, at Chaoyang Sports Centre on 15, 16 and 17 August.

## Medalists

| Gold | Danijela Grgić Croatia |
| Silver | Sonita Sutherland Jamaica |
| Bronze | Nawal El-Jack Sudan |

## Results
### Final

17 August
| Rank | Name | Nationality | Time |
| | Danijela Grgić | Croatia | 50.78 |
| | Sonita Sutherland | Jamaica | 51.42 |
| | Nawal El-Jack | Sudan | 51.67 |
| 4 | Ksenia Zadorina | Russia | 51.99 |
| 5 | Jessica Beard | United States | 52.51 |
| 6 | Sekinat Adesanya | Nigeria | 52.71 |
| 7 | Li Xueji | China | 52.84 |
| 8 | Shade Abugan | Nigeria | 52.87 |

### Semifinals

16 August

#### Semifinal 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Ksenia Zadorina | Russia | 51.94 | Q |
| 2 | Sekinat Adesanya | Nigeria | 52.48 | Q |
| 3 | Racheal Nachula | Zambia | 53.05 | |
| 4 | Brandi Cross | United States | 53.25 | |
| 5 | Marie-Angélique Lacordelle | France | 53.82 | |
| 6 | Olga Mihailchenko | Ukraine | 54.83 | |
| 7 | Benedikte Hauge | Norway | 54.89 | |
| 8 | Désirée Meyer | Germany | 55.17 | |

#### Semifinal 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Nawal El-Jack | Sudan | 51.84 | Q |
| 2 | Danijela Grgić | Croatia | 52.00 | Q |
| 3 | Wen Xiuyun | China | 53.31 | |
| 4 | Carline Muir | Canada | 53.37 | |
| 5 | Maris Mägi | Estonia | 53.74 | |
| 6 | Marta Milani | Italy | 54.83 | |
| 7 | Rita Nemes | Hungary | 54.93 | |
| 8 | Sofie Persson | Sweden | 55.52 | |

#### Semifinal 3

| Rank | Name | Nationality | Time | Notes |
| 1 | Sonita Sutherland | Jamaica | 51.67 | Q |
| 2 | Shade Abugan | Nigeria | 52.49 | Q |
| 3 | Li Xueji | China | 52.62 | q |
| 4 | Jessica Beard | United States | 52.97 | q |
| 5 | Angeline Blackburn | Australia | 54.03 | |
| 6 | Janin Lindenberg | Germany | 54.06 | |
| 7 | Alejandra Idrobo | Colombia | 55.27 | |
| 8 | Arista Hefer | South Africa | 55.64 | |

### Heats

15 August

#### Heat 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Sonita Sutherland | Jamaica | 52.88 | Q |
| 2 | Li Xueji | China | 53.39 | Q |
| 3 | Janin Lindenberg | Germany | 55.01 | Q |
| 4 | Sofie Persson | Sweden | 55.44 | Q |
| 5 | Anja Puc | Slovenia | 55.66 | |
| 6 | Merica Moncherry | Saint Lucia | 56.97 | |
| 7 | Amuchelani Tumelano | Botswana | 57.92 | |

#### Heat 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Jessica Beard | United States | 53.61 | Q |
| 2 | Shade Abugan | Nigeria | 53.77 | Q |
| 3 | Olga Mihailchenko | Ukraine | 55.32 | Q |
| 4 | Désirée Meyer | Germany | 55.47 | Q |
| 5 | Eleonora Sirtoli | Italy | 55.87 | |
| 6 | Bianka Varga | Hungary | 56.88 | |
| 7 | Tyfia Lee | U.S. Virgin Islands | 57.82 | |
| 8 | Batgereliin Möngöntuyaa | Mongolia | 58.82 | |

#### Heat 3

| Rank | Name | Nationality | Time | Notes |
| 1 | Sekinat Adesanya | Nigeria | 53.13 | Q |
| 2 | Danijela Grgić | Croatia | 53.20 | Q |
| 3 | Racheal Nachula | Zambia | 53.40 | Q |
| 4 | Marie-Angélique Lacordelle | France | 54.40 | Q |
| 5 | Alejandra Idrobo | Colombia | 54.88 | q |
| 6 | Benedikte Hauge | Norway | 55.05 | q |
| 7 | Arista Hefer | South Africa | 55.20 | q |
| 8 | Chimene Ningayo | Central African Republic | 60.18 | |

#### Heat 4

| Rank | Name | Nationality | Time | Notes |
| 1 | Ksenia Zadorina | Russia | 53.15 | Q |
| 2 | Carline Muir | Canada | 53.25 | Q |
| 3 | Wen Xiuyun | China | 53.90 | Q |
| 4 | Marta Milani | Italy | 55.46 | Q |
| 5 | Anamaria Ioniță | Romania | 55.81 | |
| 6 | Jacqueline Davies | Australia | 56.13 | |
| 7 | Machettira Poovamma | India | 56.39 | |

#### Heat 5

| Rank | Name | Nationality | Time | Notes |
| 1 | Nawal El-Jack | Sudan | 52.49 | Q |
| 2 | Brandi Cross | United States | 53.69 | Q |
| 3 | Maris Mägi | Estonia | 54.76 | Q |
| 4 | Angeline Blackburn | Australia | 54.76 | Q |
| 5 | Rita Nemes | Hungary | 55.26 | q |
| 6 | Alexandra Štuková | Slovakia | 56.41 | |
| 7 | Khumoetsile Ngope | Botswana | 58.94 | |
| 8 | Bianca Dougan | British Virgin Islands | 59.09 | |

## Participation

According to an unofficial count, 38 athletes from 30 countries participated in the event.
* Australia (2)
* Botswana (2)
* British Virgin Islands (1)
* Canada (1)
* Central African Republic (1)
* China (2)
* Colombia (1)
* Croatia (1)
* Estonia (1)
* France (1)
* Germany (2)
* Hungary (2)
* India (1)
* Italy (2)
* Jamaica (1)
* Mongolia (1)
* Nigeria (2)
* Norway (1)
* Romania (1)
* Russia (1)
* Saint Lucia (1)
* Slovakia (1)
* Slovenia (1)
* South Africa (1)
* Sudan (1)
* Sweden (1)
* Ukraine (1)
* United States (2)
* U.S. Virgin Islands (1)
* Zambia (1)