The men's 400 metres hurdles event at the 1992 World Junior Championships in Athletics was held in Seoul, Korea, at Olympic Stadium on 16, 17 and 18 September. [1] [2]
| Gold | Ashraf Saber |
| Silver | Sammy Biwott |
| Bronze | William Porter |
18 September
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| Ashraf Saber | 50.02 | |||
| Sammy Biwott | 50.75 | |||
| William Porter | 51.37 | |||
| 4 | Wessel Dippenaar | 51.50 | ||
| 5 | Steffen Kolb | 51.73 | ||
| 6 | Kehinde Aladefa | 51.85 | ||
| 7 | Alejandro Argudin | 52.05 | ||
| 8 | Gary Brown | 53.45 |
17 September
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Ashraf Saber | 50.42 | Q | |
| 2 | Sammy Biwott | 50.62 | Q | |
| 3 | Alejandro Argudin | 51.25 | Q | |
| 4 | Wessel Dippenaar | 51.63 | Q | |
| 5 | Regan Nichols | 51.84 | ||
| 6 | Kostas Pochanis | 51.85 | ||
| 7 | Carlos Silva | 52.57 | ||
| 8 | Seiji Inagaki | 53.15 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | William Porter | 51.27 | Q | |
| 2 | Kehinde Aladefa | 52.08 | Q | |
| 3 | Steffen Kolb | 52.08 | Q | |
| 4 | Gary Brown | 52.25 | Q | |
| 5 | Chiu Wensheng | 52.51 | ||
| 6 | Kenko Matsue | 52.77 | ||
| 7 | Albert Ramírez | 53.63 | ||
| 8 | Victor Mendoza | 54.42 |
16 September
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Steffen Kolb | 51.82 | Q | |
| 2 | Albert Ramírez | 52.15 | Q | |
| 3 | Regan Nichols | 52.30 | q | |
| 4 | Gary Brown | 52.88 | q | |
| 5 | Abdurrahim Nayeem | 53.77 | ||
| 6 | Ian Weakley | 57.50 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Ashraf Saber | 52.10 | Q | |
| 2 | Victor Mendoza | 52.77 | Q | |
| 3 | Arturo Castillon | 52.97 | ||
| 4 | Petteri Pulkkinen | 53.25 | ||
| 5 | Shawn Browne | 55.09 | ||
| Everson Teixeira | DNF |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Sammy Biwott | 51.39 | Q | |
| 2 | Kostas Pochanis | 52.17 | Q | |
| 3 | Wessel Dippenaar | 52.45 | q | |
| 4 | Daniel Blochwitz | 53.05 | ||
| 5 | Jean-Sébastien Dauch | 53.33 | ||
| 6 | Rok Kop | 55.93 | ||
| 7 | Chris Carroll | 56.39 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | William Porter | 51.75 | Q | |
| 2 | Kehinde Aladefa | 51.77 | Q | |
| 3 | Alejandro Argudin | 52.03 | q | |
| 4 | Chiu Wensheng | 52.23 | q | |
| 5 | Seiji Inagaki | 52.50 | q | |
| 6 | Salvador Chamor | 53.32 | ||
| 7 | Sérgio Ribeiro | 54.10 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Carlos Silva | 52.56 | Q | |
| 2 | Kenko Matsue | 52.73 | Q | |
| 3 | Lee Jung-Ho | 53.00 | ||
| 4 | Mohamed Al-Bishi | 53.17 | ||
| 5 | Alexander Ponev | 53.19 | ||
| 6 | Silvio Pelissero | 53.30 |
According to an unofficial count, 32 athletes from 24 countries participated in the event.