2000 World Junior Championships in Athletics
Track events
100 m	men	women
200 m	men	women
400 m	men	women
800 m	men	women
1500 m	men	women
3000 m		women
5000 m	men	women
10,000 m	men
100 m hurdles		women
110 m hurdles	men
400 m hurdles	men	women
3000 m steeplechase	men
4 × 100 m relay	men	women
4 × 400 m relay	men	women
10,000 m walk	men	women
Field events
High jump	men	women
Pole vault	men	women
Long jump	men	women
Triple jump	men	women
Shot put	men	women
Discus throw	men	women
Hammer throw	men	women
Javelin throw	men	women
Combined events
Heptathlon		women
Decathlon	men
v t e

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.^[1][2]

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

20 October

Rank	Name	Nationality	Time	Notes
	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

18 October

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

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

17 October

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

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

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

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

According to an unofficial count, 26 athletes from 18 countries participated in the event.