| .51 sec Outdoor | Marjolein, Kirsty, Yvonne, Amy Meisjes U18 | 2002-04-07 Alkmaar | |
|---|---|---|---|
| 47.99 sec Outdoor | Wendy, Amy, Sanne, Jade Meisjes U18 | 2025-06-22 | |
| 48.96 sec Outdoor | Wendy, Amy, Femke, Kim Meisjes U18 | 2025-06-01 | |
| 49.44 sec Outdoor | Wendy, Amy, Femke, Sarah Meisjes U18 | 2024-06-09 Amsterdam | |
| 49.24 sec Outdoor | Wendy, Amy, Femke en Sarah Meisjes U18 | 2024-09-28 | |
| 50.95 sec Outdoor | Amy, Femke, Wendy, Sarah Meisjes U18 | 2022-08-14 Coventry | |
| 51.4 sec* Outdoor | Anne, Amy, Marjolein, Fleur Meisjes U18 | 2000-07-24 |