400m Jongens B series, Heat:1 of 4 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 172 | FURDA Duco | 53.05 | PEC 1910 | JB | 53.14 | Q | |
| 2 | 3 | 68 | BOON Martijn | 54.76 | De Liemers | JB | 53.17 | Q | |
| 3 | 6 | 195 | HAAN Maurice de | 52.97 | Leiden Atletiek | JB | 53.31 | q | |
| 4 | 4 | 446 | SANDIFORT Leen | 54.56 | AV Gouda | JB | 54.87 | ||
| 5 | 1 | 602 | ZEEGERS Merwin | 57.21 | AAC | JB | 58.20 | ||
| 6 | 2 | 42 | BESSELAAR Lars | 59.32 | GAC Hilversum | JB | 58.58 |