Open/Male - Short Course - 50m Butterfly - Camden Swiss Cottage SC - 13 Years Age Group - At 31st December 2019
| Rank | Name | Ranked Club | YoB | Meet Name | Venue | Level | Date | Time | FINA |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Mehmet Zeren | Camden Swiss | 06 | SE London Winter Championships 2023 | Stratford | 2 | 04/11/23 | 25.08 | 652 |
| 2 | Hudson Hill | Camden Swiss | 06 | Ealing SC 2023 XMAS County Qualifier | Northolt | 3 | 02/12/23 | 28.89 | 426 |
| 3 | Dylan Jackson | Camden Swiss | 06 | Basildon & Phoenix Autumn County Qualifier 2023 | Basildon | 3 | 21/10/23 | 31.34 | 334 |
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