| Personal Details | |
| Name | Oliver Birtwistle |
| Known As | Oliver |
| Year of Birth | 2009 |
| Eligibility Category | Open/Male |
| Membership Details | |||
| Member Number | 1350907 | ||
| Member Status | Current | ||
| Ranked Club | Wrekin SC | ||
| Country of International Representation | England | ||
| Membership Categories |
| SE Club Compete |
| Clubs & Organisations | |
| Club | Ranked |
| Wellington (Telford) SC | |
| Wrekin SC | Yes |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | 28.37 | 28.37 | 28.81 | 28.81 |
| 100m Freestyle | 1:01.60 | 1:01.60 | 1:03.61 | 1:03.61 |
| 200m Freestyle | 2:16.24 | 2:16.24 | 2:25.71 | 2:25.71 |
| 400m Freestyle | 4:57.21 | 4:57.21 | . | . |
| 800m Freestyle | . | 11:30.35 | . | . |
| 1500m Freestyle | . | 21:44.91 | . | . |
| 50m Breaststroke | 37.78 | 37.78 | 38.69 | 38.69 |
| 100m Breaststroke | 1:20.50 | 1:20.50 | . | . |
| 200m Breaststroke | 2:56.52 | 2:56.52 | 3:06.85 | 3:06.85 |
| 50m Butterfly | 32.06 | 32.06 | . | 36.01 |
| 100m Butterfly | 1:11.11 | 1:11.11 | . | . |
| 200m Butterfly | . | . | . | . |
| 50m Backstroke | 31.23 | 31.23 | 32.05 | 32.05 |
| 100m Backstroke | 1:06.12 | 1:06.12 | 1:06.78 | 1:06.78 |
| 200m Backstroke | 2:25.17 | 2:25.17 | 2:28.41 | 2:28.41 |
| 200m Individual Medley | . | 2:39.90 | . | . |
| 400m Individual Medley | 5:51.09 | 5:50.12 | . | . |
| 100m Individual Medley | 1:10.21 | 1:10.21 | . | . |
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