The men's 400 metres event at the 1998 World Junior Championships in Athletics was held in Annecy, France, at Parc des Sports on 28, 29 and 31 July. [1] [2]
| Gold | Nduka Awazie |
| Silver | Casey Vincent |
| Bronze | Fawzi Al-Shammari |
31 July
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| Nduka Awazie | 45.54 | |||
| Casey Vincent | 45.55 | |||
| Fawzi Al-Shammari | 45.89 | |||
| 4 | Marc-Alexander Scheer | 45.91 | ||
| 5 | Simon Pierre | 46.22 | ||
| 6 | Andrew Pierce | 46.30 | ||
| 7 | Alloy Wilson | 46.64 | ||
| 8 | Tony Berrian | 47.30 |
29 July
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Andrew Pierce | 46.32 | Q | |
| 2 | Fawzi Al-Shammari | 46.40 | Q | |
| 3 | Marc-Alexander Scheer | 46.57 | q | |
| 4 | Kim Jae-Da | 46.94 | ||
| 5 | Amin Goma'a | 47.60 | ||
| 6 | Xu Zizhou | 47.62 | ||
| 7 | David Naismith | 47.73 | ||
| 8 | Liam Card | 48.03 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Casey Vincent | 46.49 | Q | |
| 2 | Simon Pierre | 46.66 | Q | |
| 3 | Alloy Wilson | 46.69 | q | |
| 4 | Ousmane Niang | 46.88 | ||
| 5 | Ruwen Faller | 46.96 | ||
| 6 | Fernando Augustin | 47.42 | ||
| 7 | Evanson Ndungu | 47.51 | ||
| 8 | Przemyslaw Dunaj | 48.03 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Nduka Awazie | 45.90 | Q | |
| 2 | Tony Berrian | 46.56 | Q | |
| 3 | Tom Coman | 46.82 | ||
| 4 | Masayuki Okusako | 47.36 | ||
| 5 | Daniel Batman | 47.41 | ||
| 6 | Hamdan Al-Bishi | 47.47 | ||
| 7 | Luys Freitas | 48.11 | ||
| 8 | William Hernández | 48.77 |
28 July
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Nduka Awazie | 46.76 | Q | |
| 2 | Ousmane Niang | 47.01 | Q | |
| 3 | Fawzi Al-Shammari | 47.42 | Q | |
| 4 | Sanjay Ayre | 47.51 | ||
| 5 | Michał Węglarski | 47.57 | ||
| 6 | Casper Pule | 49.65 | ||
| 7 | Charles Shaw | 51.32 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Andrew Pierce | 46.51 | Q | |
| 2 | Tom Coman | 47.14 | Q | |
| 3 | Daniel Batman | 47.17 | Q | |
| 4 | David Naismith | 47.47 | q | |
| 5 | Ranga Wimalawansa | 47.55 | ||
| 6 | Mohamed Bezegrari | 49.39 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Hamdan Al-Bishi | 46.93 | Q | |
| 2 | Evanson Ndungu | 47.04 | Q | |
| 3 | Ruwen Faller | 47.08 | Q | |
| 4 | Fernando Augustin | 47.31 | q | |
| 5 | Paul Oppermann | 47.81 | ||
| 6 | Alexander Petrov | 48.72 | ||
| 7 | Isaac Yaya | 50.10 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Alloy Wilson | 46.81 | Q | |
| 2 | Xu Zizhou | 46.92 | Q | |
| 3 | Simon Pierre | 46.99 | Q | |
| 4 | Masayuki Okusako | 47.37 | q | |
| 5 | Ahmed Torkhani | 48.08 | ||
| 6 | Damian Spector | 48.35 | ||
| 7 | Harmon Harmon | 51.82 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Casey Vincent | 46.87 | Q | |
| 2 | Luys Freitas | 47.66 | Q | |
| 3 | William Hernández | 47.81 | Q | |
| 4 | Takahiko Yamamura | 47.95 | ||
| 5 | Andrea Barberi | 47.96 | ||
| 6 | Ryad Cheragui | 49.77 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Kim Jae-Da | 47.17 | Q | |
| 2 | Marc-Alexander Scheer | 47.27 | Q | |
| 3 | Przemyslaw Dunaj | 48.08 | Q | |
| 4 | Marc Reuter | 48.28 | ||
| 5 | Vicente Erut | 49.14 | ||
| 6 | Edward Grech | 51.21 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Tony Berrian | 47.06 | Q | |
| 2 | Amin Goma'a | 47.57 | Q | |
| 3 | Liam Card | 47.71 | Q | |
| 4 | Tshepo Thobelangope | 47.90 | ||
| 5 | Hicham Mihjane | 48.03 | ||
| 6 | Clement Abai | 48.41 | ||
| 7 | Troy Wickham | 48.65 |
According to an unofficial count, 46 athletes from 37 countries participated in the event.