# 2000 World Junior Championships in Athletics – Women's 400 metres

The women's 400 metres event at the 2000 World Junior Championships in Athletics was held in Santiago, Chile, at Estadio Nacional Julio Martínez Prádanos on 17, 18 and 20 October.

## Medalists

| Gold | Jana Pittman Australia |
| Silver | Aneta Lemiesz Poland |
| Bronze | Norma González Colombia |

## Results
### Final

20 October
| Rank | Name | Nationality | Time |
| | Jana Pittman | Australia | 52.45 |
| | Aneta Lemiesz | Poland | 52.78 |
| | Norma González | Colombia | 53.30 |
| 4 | Maria Rus | Romania | 53.46 |
| 5 | Natalya Ivanova | Russia | 53.58 |
| 6 | Natalya Pygyda | Ukraine | 53.69 |
| 7 | Kareen Gayle | Jamaica | 53.95 |
| 8 | Martina McCarthy | Ireland | 54.32 |

### Semifinals

18 October

#### Semifinal 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Jana Pittman | Australia | 53.00 | Q |
| 2 | Aneta Lemiesz | Poland | 53.09 | Q |
| 3 | Maria Rus | Romania | 53.38 | Q |
| 4 | Martina McCarthy | Ireland | 53.61 | Q |
| 5 | Sheryl Morgan | Jamaica | 53.64 | |
| 6 | Lisa Miller | United Kingdom | 53.86 | |
| 7 | Antonina Yefremova | Ukraine | 54.29 | |
| 8 | Rosibel García | Colombia | 56.09 | |

#### Semifinal 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Norma González | Colombia | 53.42 | Q |
| 2 | Kareen Gayle | Jamaica | 53.69 | Q |
| 3 | Natalya Ivanova | Russia | 53.79 | Q |
| 4 | Natalya Pygyda | Ukraine | 54.02 | Q |
| 5 | Jenny Meadows | United Kingdom | 54.27 | |
| 6 | Adela Marchis | Romania | 54.73 | |
| 7 | Katerina Dressler | Australia | 54.78 | |
| 8 | Eileen Müller | Germany | 55.07 | |

### Heats

17 October

#### Heat 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Jana Pittman | Australia | 54.01 | Q |
| 2 | Martina McCarthy | Ireland | 54.14 | Q |
| 3 | Sheryl Morgan | Jamaica | 54.38 | Q |
| 4 | Eileen Müller | Germany | 54.72 | q |
| 5 | Sapinder Kaur | India | 56.52 | |
| 6 | Tiandra Ponteen | Saint Kitts and Nevis | 57.09 | |

#### Heat 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Norma González | Colombia | 53.79 | Q |
| 2 | Kareen Gayle | Jamaica | 53.82 | Q |
| 3 | Jenny Meadows | United Kingdom | 53.85 | Q |
| 4 | Antonina Yefremova | Ukraine | 53.88 | q |
| 5 | Daniela Reina | Italy | 55.12 | |
| 6 | Silja Ulfarsdóttir | Iceland | 55.40 | |
| 7 | Evodie Lydie Saramandji | Central African Republic | 61.21 | |
| | Joanne Cuddihy | Ireland | DQ | |

#### Heat 3

| Rank | Name | Nationality | Time | Notes |
| 1 | Lisa Miller | United Kingdom | 53.91 | Q |
| 2 | Aneta Lemiesz | Poland | 54.02 | Q |
| 3 | Maria Rus | Romania | 54.20 | Q |
| 4 | Katerina Dressler | Australia | 54.25 | q |
| 5 | Hazel-Ann Regis | Grenada | 56.33 | |

#### Heat 4

| Rank | Name | Nationality | Time | Notes |
| 1 | Natalya Pygyda | Ukraine | 54.27 | Q |
| 2 | Adela Marchis | Romania | 54.36 | Q |
| 3 | Natalya Ivanova | Russia | 54.63 | Q |
| 4 | Rosibel García | Colombia | 54.82 | q |
| 5 | Maren Schulze | Germany | 55.49 | |
| 6 | Tatjana Lojanica | Yugoslavia | 56.51 | |
| 7 | Mereoni Raluve | Fiji | 57.73 | |

## Participation

According to an unofficial count, 26 athletes from 18 countries participated in the event.
* Australia (2)
* Central African Republic (1)
* Colombia (2)
* Fiji (1)
* Germany (2)
* Grenada (1)
* Iceland (1)
* India (1)
* Ireland (2)
* Italy (1)
* Jamaica (2)
* Poland (1)
* Romania (2)
* Russia (1)
* Saint Kitts and Nevis (1)
* Ukraine (2)
* United Kingdom (2)
* Yugoslavia (1)