400m Jongens B 1/2 finale, Heat:2 of 2 ; Official result
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 3 | 68 | BOON Martijn | 53.17 | De Liemers | JB | 52.80 | Q | |
| 2 | 5 | 172 | FURDA Duco | 53.05 | PEC 1910 | JB | 53.53 | Q | |
| 3 | 4 | 412 | POSTMA Justin | 53.95 | Impala | JB | 53.88 | Q | |
| 4 | 6 | 55 | BLUEKENS Tim | 50.60 | Climax | JB | 54.02 | ||
| 5 | 2 | 135 | DUMAS Thijs | 53.27 | Spado | JB | 54.74 | ||
| 6 | 1 | 540 | VISSCHEDIJK Niek | 54.29 | THOR | JB | 55.23 |