| Personal Details | |
| Name | Sebastian Brown |
| Known As | Sebastain |
| Year of Birth | 2009 |
| Eligibility Category | Open/Male |
| Membership Details | |||
| Member Number | 1508490 | ||
| Member Status | Current | ||
| Ranked Club | Aylesbury & District SC | ||
| Country of International Representation | England | ||
| Membership Categories |
| SE Club Compete |
| Clubs & Organisations | |
| Club | Ranked |
| Aylesbury & District SC | Yes |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | 31.54 | 31.54 | 31.63 | 31.63 |
| 100m Freestyle | 1:07.62 | 1:07.62 | . | . |
| 200m Freestyle | . | 3:20.08 | 2:31.44 | 2:31.44 |
| 400m Freestyle | . | 7:34.97 | . | . |
| 800m Freestyle | . | . | . | . |
| 1500m Freestyle | . | . | . | . |
| 50m Breaststroke | 41.14 | 41.14 | 43.33 | 43.33 |
| 100m Breaststroke | 1:31.64 | 1:30.30 | 1:34.89 | 1:34.89 |
| 200m Breaststroke | 3:19.71 | 3:17.81 | . | . |
| 50m Butterfly | 34.25 | 34.25 | 35.57 | 35.57 |
| 100m Butterfly | . | 1:40.13 | . | 1:43.47 |
| 200m Butterfly | . | . | . | . |
| 50m Backstroke | 36.95 | 36.95 | 38.78 | 38.78 |
| 100m Backstroke | 1:20.54 | 1:20.54 | 1:21.84 | 1:21.84 |
| 200m Backstroke | . | . | . | . |
| 200m Individual Medley | 2:50.29 | 2:50.29 | . | . |
| 400m Individual Medley | . | . | . | 7:02.46 |
| 100m Individual Medley | 1:18.75 | 1:18.75 | . | . |
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