| 11515 | 1 | 5000 | freestyle | male | (12) t/m (-1) | No | 2026-06-13 | Open Water Bodegraven 2026 | 10 | 17 | male |
| 11529 | 11 | 1000 | freestyle | male | (12) t/m (-1) | No | 2026-06-13 | Open Water Bodegraven 2026 | 16 | 17 | male |
| 11848 | 1 | 3000 | freestyle | male | (11) t/m (-1) | No | 2026-06-14 | Speedo Swim-in Leiden 2026 | 16 | 17 | male |
| 11860 | 15 | 1000 | freestyle | male | (16) t/m (-1) | No | 2026-06-14 | Speedo Swim-in Leiden 2026 | 10 | 17 | male |
| 11628 | 2 | 1000 | freestyle | male | (16) t/m (17) | No | 2026-06-20 | Damster City Swim | 10 | 17 | male |
| 11643 | 17 | 3000 | freestyle | male | (12) t/m (-1) | No | 2026-06-20 | Damster City Swim | 10 | 17 | male |
| 11540 | 6 | 1000 | freestyle | male | (16) t/m (-1) | No | 2026-06-21 | Lage Vaart Race | 10 | 17 | male |
| 11556 | 22 | 3000 | freestyle | male | (12) t/m (-1) | No | 2026-06-21 | Lage Vaart Race | 10 | 17 | male |
| 11602 | 1 | 5000 | freestyle | male | (12) t/m (-1) | No | 2026-06-27 | Open Water Wedstrijd AP 2026 | 10 | 17 | male |
| 11623 | 22 | 1000 | freestyle | male | (16) t/m (-1) | No | 2026-06-27 | Open Water Wedstrijd AP 2026 | 10 | 17 | male |
| 11563 | 2 | 2500 | freestyle | male | (12) t/m (-1) | No | 2026-06-28 | 2de Open Water Alkmaar | 10 | 17 | male |
| 11573 | 14 | 1000 | freestyle | male | (12) t/m (-1) | No | 2026-06-28 | 2de Open Water Alkmaar | 10 | 17 | male |
| 11693 | 8 | 2000 | freestyle | male | (11) t/m (-1) | No | 2026-07-04 | Sluis Open Water Wedstrijd 2026 | 10 | 17 | male |
| 11655 | 111 | 5000 | freestyle | male | (11) t/m (-1) | No | 2026-07-05 | Sluis Open Water Wedstrijd 2026 | 10 | 17 | male |
| 11664 | 122 | 2000 | freestyle | male | (11) t/m (-1) | No | 2026-07-05 | Sluis Open Water Wedstrijd 2026 | 10 | 17 | male |
| 11665 | 1 | 5000 | freestyle | male | (14) t/m (-1) | No | 2026-07-11 | OWW De Binnenmaas | 10 | 17 | male |
| 11680 | 16 | 2000 | freestyle | male | (12) t/m (-1) | No | 2026-07-11 | OWW De Binnenmaas | 10 | 17 | male |
| 11800 | 1 | 6000 | freestyle | male | (13) t/m (-1) | No | 2026-07-12 | Zwemwedstrijd Beusichem - Culemborg 2026 | 10 | 17 | male |
| 11804 | 5 | 2000 | freestyle | male | (16) t/m (-1) | No | 2026-07-12 | Zwemwedstrijd Beusichem - Culemborg 2026 | 10 | 17 | male |
| 11782 | 3 | 3500 | freestyle | male | (11) t/m (-1) | No | 2026-07-18 | Open Water Swim Meet | 10 | 17 | male |
| 11791 | 12 | 2000 | freestyle | male | (11) t/m (-1) | No | 2026-07-18 | Open Water Swim Meet | 10 | 17 | male |
| 11828 | 3 | 1000 | freestyle | male | (11) t/m (-1) | No | 2026-08-28 | Open Water wedstrijden Veenendaal | 10 | 17 | male |
| 11833 | 8 | 3000 | freestyle | male | (11) t/m (-1) | No | 2026-08-28 | Open Water wedstrijden Veenendaal | 10 | 17 | male |
| 11751 | 7 | 2000 | freestyle | male | (11) t/m (-1) | No | 2026-09-05 | Ganzetrek 2026 | 10 | 17 | male |
| 11762 | 1 | 5000 | freestyle | male | (11) t/m (-1) | No | 2026-09-06 | Kanaalrace Vlissingen 2026 | 10 | 17 | male |
| 11776 | 15 | 1000 | freestyle | male | (11) t/m (-1) | No | 2026-09-06 | Kanaalrace Vlissingen 2026 | 10 | 17 | male |
| 11706 | 3 | 5000 | freestyle | male | (12) t/m (-1) | Yes | 2026-09-12 | Pajaro ICT - 14e Het Y Open Water Wedstrijd Gaasperplas + NK open water zwemmen | 10 | 17 | male |
| 11716 | 13 | 1000 | freestyle | male | (12) t/m (-1) | No | 2026-09-12 | Pajaro ICT - 14e Het Y Open Water Wedstrijd Gaasperplas + NK open water zwemmen | 10 | 17 | male |
| 11720 | 101 | 10000 | freestyle | male | (12) t/m (-1) | Yes | 2026-09-13 | Pajaro ICT - 14e Het Y Open Water Wedstrijd Gaasperplas + NK open water zwemmen | 10 | 17 | male |
| 11737 | 118 | 2000 | freestyle | male | (12) t/m (-1) | No | 2026-09-13 | Pajaro ICT - 14e Het Y Open Water Wedstrijd Gaasperplas + NK open water zwemmen | 10 | 17 | male |