| Personal Details | |
| Name | Jakub Kowalczyk |
| Known As | Jakub |
| Year of Birth | 2011 |
| Eligibility Category | Open/Male |
| Membership Details | |||
| Member Number | 1582332 | ||
| Member Status | Current | ||
| Ranked Club | Hinckley SC | ||
| Country of International Representation | England | ||
| Membership Categories |
| SE Club Compete |
| Clubs & Organisations | |
| Club | Ranked |
| Hinckley SC | Yes |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | 31.19 | 31.19 | 33.00 | 33.00 |
| 100m Freestyle | 1:06.36 | 1:06.36 | 1:10.86 | 1:10.86 |
| 200m Freestyle | 2:20.41 | 2:20.41 | . | 2:39.13 |
| 400m Freestyle | . | 5:48.86 | . | . |
| 800m Freestyle | . | . | . | . |
| 1500m Freestyle | . | . | . | . |
| 50m Breaststroke | . | 47.08 | . | . |
| 100m Breaststroke | 1:39.22 | 1:39.22 | . | . |
| 200m Breaststroke | 3:30.05 | 3:30.05 | . | . |
| 50m Butterfly | 35.39 | 35.39 | 37.57 | 37.57 |
| 100m Butterfly | . | 1:25.59 | . | . |
| 200m Butterfly | . | . | . | . |
| 50m Backstroke | 34.11 | 34.11 | . | . |
| 100m Backstroke | 1:12.85 | 1:12.85 | 1:17.12 | 1:17.12 |
| 200m Backstroke | 2:34.57 | 2:34.57 | 2:42.06 | 2:42.06 |
| 200m Individual Medley | 2:50.96 | 2:50.96 | . | . |
| 400m Individual Medley | . | . | . | . |
| 100m Individual Medley | 1:18.70 | 1:18.70 | . | . |
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