| Personal Details | |
| Name | Leonard Stocker |
| Known As | Leonard |
| Year of Birth | 2008 |
| Eligibility Category | Open/Male |
| Membership Details | |||
| Member Number | 1436672 | ||
| Member Status | Current | ||
| Ranked Club | Camden Swiss Cottage SC | ||
| Country of International Representation | England | ||
| Membership Categories |
| SE Club Compete |
| Clubs & Organisations | |
| Club | Ranked |
| Camden Swiss Cottage SC | Yes |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | 29.10 | 28.73 | . | . |
| 100m Freestyle | 1:03.83 | 1:03.83 | . | . |
| 200m Freestyle | . | 2:29.98 | . | . |
| 400m Freestyle | . | 5:11.92 | . | 6:04.18 |
| 800m Freestyle | . | 11:00.41 | . | . |
| 1500m Freestyle | . | 20:43.08 | . | . |
| 50m Breaststroke | 37.87 | 37.87 | . | 46.89 |
| 100m Breaststroke | . | 1:27.14 | . | . |
| 200m Breaststroke | . | 3:01.75 | . | 3:13.18 |
| 50m Butterfly | . | 33.80 | . | . |
| 100m Butterfly | . | 1:18.74 | . | . |
| 200m Butterfly | . | . | . | . |
| 50m Backstroke | . | 35.76 | . | 35.23 |
| 100m Backstroke | 1:14.11 | 1:14.11 | . | . |
| 200m Backstroke | . | 2:40.01 | . | . |
| 200m Individual Medley | . | 2:43.18 | . | . |
| 400m Individual Medley | . | 5:44.36 | . | . |
| 100m Individual Medley | . | 1:18.25 | . | . |
 |   |
