The women'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 | Natalya Nazarova |
| Silver | Nakiya Johnson |
| Bronze | Yudalis Díaz |
31 July
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| Natalya Nazarova | 52.02 | |||
| Nakiya Johnson | 52.09 | |||
| Yudalis Díaz | 52.39 | |||
| 4 | Alina Rîpanu | 52.89 | ||
| 5 | Estie Wittstock | 53.16 | ||
| 6 | Justine Bayiga | 53.29 | ||
| 7 | Keasha Downer | 53.68 | ||
| 8 | Mikele Barber | 54.24 |
29 July
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Natalya Nazarova | 51.95 | Q | |
| 2 | Nakiya Johnson | 52.80 | Q | |
| 3 | Keasha Downer | 53.01 | Q | |
| 4 | Alina Rîpanu | 53.34 | q | |
| 5 | Zulia Calatayúd | 53.65 | ||
| 6 | Kristin Götz | 54.41 | ||
| 7 | Martina Morawska | 54.48 | ||
| 8 | Carey Easton | 54.70 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Justine Bayiga | 52.73 | Q | |
| 2 | Yudalis Díaz | 53.07 | Q | |
| 3 | Estie Wittstock | 53.20 | Q | |
| 4 | Mikele Barber | 53.44 | q | |
| 5 | Kristina Perica | 53.60 | ||
| 6 | Rosemary Hayward | 54.34 | ||
| 7 | Alexia Oberstolz | 54.51 | ||
| 8 | Katerina Glosová | 54.58 |
28 July
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Natalya Nazarova | 52.98 | Q | |
| 2 | Justine Bayiga | 53.23 | Q | |
| 3 | Rosemary Hayward | 53.90 | Q | |
| 4 | Estie Wittstock | 54.18 | q | |
| 5 | Carey Easton | 54.28 | q | |
| 6 | Aleksandra Pielużek | 54.69 | ||
| 7 | Lotte Visschers | 55.72 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Nakiya Johnson | 53.07 | Q | |
| 2 | Alina Rîpanu | 53.36 | Q | |
| 3 | Zulia Calatayúd | 54.00 | Q | |
| 4 | Svetlana Pospelova | 54.80 | ||
| 5 | Jennifer Marshall | 54.88 | ||
| 6 | Sashanie Simpson | 54.96 | ||
| 7 | Lucy-Ann Richards | 55.29 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Kristina Perica | 53.89 | Q | |
| 2 | Keasha Downer | 53.94 | Q | |
| 3 | Alexia Oberstolz | 54.48 | Q | |
| 4 | Katerina Glosová | 54.53 | q | |
| 5 | Hazel-Ann Regis | 55.55 | ||
| 6 | Oksana Luneva | 57.54 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| 1 | Yudalis Díaz | 52.74 | Q | |
| 2 | Mikele Barber | 53.86 | Q | |
| 3 | Martina Morawska | 54.13 | Q | |
| 4 | Kristin Götz | 54.27 | q | |
| 5 | Lu Minling | 55.35 | ||
| 6 | Yolandé Neethling | 56.28 | ||
| 7 | Diala El-Chabi | 58.92 | ||
| 8 | Mariama Diaby | 59.06 |
According to an unofficial count, 28 athletes from 21 countries participated in the event.