| Personal Details | |
| Name | Tomos Owen |
| Known As | Tomos |
| Year of Birth | 2007 |
| Eligibility Category | Open/Male |
| Membership Details | |||
| Member Number | 1348542 | ||
| Member Status | Current | ||
| Ranked Club | Clwb Nofio Caernarfon | ||
| Country of International Representation | Wales | ||
| Membership Categories |
| SW Competitive |
| Clubs & Organisations | |
| Club | Ranked |
| Clwb Nofio Caernarfon | Yes |
| Nofio Gwynedd Performance | |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | 27.39 | 27.39 | 27.81 | 27.81 |
| 100m Freestyle | 57.47 | 57.47 | 1:00.10 | 1:00.10 |
| 200m Freestyle | . | 2:11.00 | . | 2:16.28 |
| 400m Freestyle | . | 4:38.23 | . | 5:11.29 |
| 800m Freestyle | . | 11:22.93 | . | . |
| 1500m Freestyle | . | . | . | . |
| 50m Breaststroke | . | 34.44 | 33.47 | 33.47 |
| 100m Breaststroke | 1:12.60 | 1:12.60 | 1:14.36 | 1:14.36 |
| 200m Breaststroke | . | 2:44.45 | . | 2:55.52 |
| 50m Butterfly | 29.87 | 29.87 | . | 31.55 |
| 100m Butterfly | . | 1:07.77 | . | 1:10.16 |
| 200m Butterfly | . | 2:36.91 | . | . |
| 50m Backstroke | 30.83 | 30.83 | . | 33.98 |
| 100m Backstroke | 1:04.24 | 1:04.24 | 1:05.05 | 1:05.05 |
| 200m Backstroke | . | 2:18.33 | 2:20.68 | 2:20.68 |
| 200m Individual Medley | . | 2:23.78 | 2:22.49 | 2:22.49 |
| 400m Individual Medley | . | 5:16.10 | . | 5:24.32 |
| 100m Individual Medley | . | 1:08.60 | . | . |
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