| Personal Details | |
| Name | Dorian Leszczynski |
| Known As | Dorian |
| Year of Birth | 2012 |
| Eligibility Category | Open/Male |
| Membership Details | |||
| Member Number | 1524883 | ||
| Member Status | Current | ||
| Ranked Club | Jersey SC | ||
| Country of International Representation | |||
| Membership Categories |
| SE Club Compete |
| Clubs & Organisations | |
| Club | Ranked |
| Jersey SC | Yes |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | 35.23 | 35.23 | . | . |
| 100m Freestyle | . | 1:16.50 | . | . |
| 200m Freestyle | . | 2:55.71 | . | . |
| 400m Freestyle | 6:01.43 | 6:01.43 | . | . |
| 800m Freestyle | . | 12:51.73 | . | . |
| 1500m Freestyle | . | 24:58.13 | . | . |
| 50m Breaststroke | . | 47.55 | . | . |
| 100m Breaststroke | . | 1:43.59 | . | . |
| 200m Breaststroke | . | 3:54.50 | . | . |
| 50m Butterfly | . | 47.98 | . | . |
| 100m Butterfly | . | 1:50.85 | . | . |
| 200m Butterfly | 3:56.75 | 3:56.75 | . | . |
| 50m Backstroke | 45.14 | 45.14 | . | . |
| 100m Backstroke | . | 1:38.86 | . | . |
| 200m Backstroke | . | 3:55.94 | . | . |
| 200m Individual Medley | . | 3:35.26 | . | . |
| 400m Individual Medley | 7:10.84 | 7:10.84 | . | . |
| 100m Individual Medley | 1:33.72 | 1:32.91 | . | . |
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