2004 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	women
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 men's 400 metres hurdles event at the 2004 World Junior Championships in Athletics was held in Grosseto, Italy, at Stadio Olimpico Carlo Zecchini on 14, 15 and 16 July.^[1][2]

Gold	Kerron Clement  United States
Silver	Brandon Johnson  United States
Bronze	Ibrahim Al-Hamaidi  Saudi Arabia

16 July

Rank	Name	Nationality	Time	Notes
	Kerron Clement	United States	48.51
	Brandon Johnson	United States	48.62
	Ibrahim Al-Hamaidi	Saudi Arabia	48.94
4	Louis van Zyl	South Africa	49.06
5	Yasser Lismet	Cuba	50.24
6	Wouter Le Roux	South Africa	51.17
7	Richard Davenport	United Kingdom	51.59
8	Diego Venâncio	Brazil	52.07

15 July

Rank	Name	Nationality	Time	Notes
1	Ibrahim Al-Hamaidi	Saudi Arabia	49.55	Q
2	Richard Davenport	United Kingdom	50.20	Q
3	Diego Venâncio	Brazil	50.85	Q
4	Yasser Lismet	Cuba	50.96	Q
5	Víctor Solarte	Venezuela	51.69
6	Michaël Bultheel	Belgium	52.21
7	Markino Buckley	Jamaica	52.89
	Nicola Cascella	Italy	DQ	IAAF rule 168.7

Rank	Name	Nationality	Time	Notes
1	Kerron Clement	United States	49.01	Q
2	Brandon Johnson	United States	49.78	Q
3	Louis van Zyl	South Africa	50.11	Q
4	Wouter Le Roux	South Africa	50.32	Q
5	El Hadj Sethe Mbow	Senegal	50.68
6	Teemu Linkosaari	Finland	51.87
7	Bandar Yahya Al-Sharahili	Saudi Arabia	51.92
8	Go Tanabe	Japan	52.20

14 July

Rank	Name	Nationality	Time	Notes
1	Yasser Lismet	Cuba	51.27	Q
2	Louis van Zyl	South Africa	51.30	Q
3	Michaël Bultheel	Belgium	51.46	Q
4	Nicola Cascella	Italy	51.47	q
5	Markino Buckley	Jamaica	52.03	q
6	Aleksandr Tishkin	Russia	52.15
7	Teppei Suzuki	Japan	52.24
8	Chung Cheng-Kang	Chinese Taipei	53.66

Rank	Name	Nationality	Time	Notes
1	Ibrahim Al-Hamaidi	Saudi Arabia	50.02	Q
2	Wouter Le Roux	South Africa	51.12	Q
3	Teemu Linkosaari	Finland	51.56	Q
4	Go Tanabe	Japan	52.01	q
5	Ryan Dinham	United Kingdom	52.86
6	Balázs Molnár	Hungary	52.97
7	Josef Robertson	Jamaica	53.05
8	Fadil Bellaabouss	France	53.48

Rank	Name	Nationality	Time	Notes
1	Kerron Clement	United States	50.10	Q
2	Richard Davenport	United Kingdom	51.08	Q
3	El Hadj Sethe Mbow	Senegal	51.48	Q
4	Bandar Yahya Al-Sharahili	Saudi Arabia	51.63	q
5	Florent Joulain	France	52.74
6	Tuncay Örs	Turkey	54.27
7	Wang Hao-Yi	Chinese Taipei	55.26

Rank	Name	Nationality	Time	Notes
1	Brandon Johnson	United States	50.11	Q
2	Víctor Solarte	Venezuela	51.96	Q
3	Diego Venâncio	Brazil	52.02	Q
4	Ricardo Lima	Portugal	52.47
5	Manuel García	Puerto Rico	52.82
6	Yuriy Pelles	Israel	53.09
7	Milan Kotur	Croatia	53.28

According to an unofficial count, 30 athletes from 22 countries participated in the event.