Open/Male - Short Course - 400m Individual Medley - Camden Swiss Cottage SC - 12 Years Age Group - At 31st December 2021
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Victor Gould | Camden Swiss | 09 | 2023 Wycombe SC L3 County & Regional Qualifier | High Wycombe | 3 | 24/11/23 | 4:59.82 | 480 |
| 2 | Leonardo Diallo | Camden Swiss | 09 | 2023 Leinster Short Course Championship | Dublin | 2 | 11/12/23 | 5:16.62 | 407 |
| 3 | Jason Gholami | Camden Swiss | 09 | 2023 Wycombe SC L3 County & Regional Qualifier | High Wycombe | 3 | 24/11/23 | 5:35.62 | 342 |
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