| Personal Details | |
| Name | Jacob Mason |
| Known As | Jacob |
| Year of Birth | 1999 |
| Eligibility Category | Open/Male |
| Membership Details | |||
| Member Number | 454326 | ||
| Member Status | Current | ||
| Ranked Club | Leander SC | ||
| Country of International Representation | England | ||
| Membership Categories |
| SE Club Compete |
| Clubs & Organisations | |
| Club | Ranked |
| Leander SC | Yes |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | . | 27.93 | . | 28.32 |
| 100m Freestyle | . | 1:00.84 | . | 1:03.81 |
| 200m Freestyle | . | 2:18.14 | . | 2:24.61 |
| 400m Freestyle | . | 5:05.19 | . | . |
| 800m Freestyle | . | 10:14.78 | . | . |
| 1500m Freestyle | . | 18:41.34 | . | . |
| 50m Breaststroke | . | 33.45 | 35.41 | 33.56 |
| 100m Breaststroke | . | 1:14.58 | . | 1:15.43 |
| 200m Breaststroke | . | 2:46.29 | . | 2:53.19 |
| 50m Butterfly | . | 31.54 | . | 33.05 |
| 100m Butterfly | . | 1:16.18 | . | . |
| 200m Butterfly | . | . | . | . |
| 50m Backstroke | . | 32.61 | . | . |
| 100m Backstroke | . | 1:11.96 | . | . |
| 200m Backstroke | . | 2:48.31 | . | . |
| 200m Individual Medley | . | 2:28.22 | . | 2:35.34 |
| 400m Individual Medley | . | . | . | . |
| 100m Individual Medley | . | 1:10.87 | . | . |
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