| Personal Details | |
| Name | Jason Allen |
| Known As | Jason |
| Year of Birth | 2009 |
| Eligibility Category | Open/Male |
| Membership Details | |||
| Member Number | 1381735 | ||
| Member Status | Current | ||
| Ranked Club | Hart Swimming Club | ||
| Country of International Representation | England | ||
| Membership Categories |
| SE Club Compete |
| Clubs & Organisations | |
| Club | Ranked |
| Hart Swimming Club | Yes |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | 31.20 | 31.20 | . | 33.53 |
| 100m Freestyle | 1:10.22 | 1:10.22 | . | 1:16.24 |
| 200m Freestyle | 2:34.48 | 2:34.48 | . | 3:07.47 |
| 400m Freestyle | . | 5:33.54 | . | 5:50.67 |
| 800m Freestyle | . | 11:21.04 | . | 12:27.51 |
| 1500m Freestyle | . | 23:30.36 | . | . |
| 50m Breaststroke | 51.39 | 49.99 | . | 53.19 |
| 100m Breaststroke | . | 1:51.52 | . | . |
| 200m Breaststroke | . | 4:42.96 | . | . |
| 50m Butterfly | 36.10 | 36.10 | . | 41.30 |
| 100m Butterfly | 1:27.09 | 1:27.09 | . | 1:34.16 |
| 200m Butterfly | . | 3:14.85 | 3:21.13 | 3:21.13 |
| 50m Backstroke | 34.76 | 34.76 | . | 46.93 |
| 100m Backstroke | . | 1:17.28 | . | 1:26.38 |
| 200m Backstroke | . | 2:51.07 | . | 2:58.42 |
| 200m Individual Medley | 3:02.72 | 2:57.16 | . | 3:18.80 |
| 400m Individual Medley | . | . | . | . |
| 100m Individual Medley | . | 1:24.48 | . | . |
 |   |
