| Personal Details | |
| Name | Ollie Billing |
| Known As | Ollie |
| Year of Birth | 2012 |
| Eligibility Category | Open/Male |
| Membership Details | |||
| Member Number | 97000385 | ||
| Member Status | Current | ||
| Ranked Club | Rhondda Cynon Taf Performance Sw | ||
| Country of International Representation | Wales | ||
| Membership Categories |
| SW Competitive |
| Clubs & Organisations | |
| Club | Ranked |
| Rhondda Cynon Taf Performance Sw | Yes |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | . | 47.62 | . | 45.16 |
| 100m Freestyle | . | 1:45.62 | . | 1:42.51 |
| 200m Freestyle | . | . | . | . |
| 400m Freestyle | . | . | . | . |
| 800m Freestyle | . | . | . | . |
| 1500m Freestyle | . | . | . | . |
| 50m Breaststroke | . | 1:13.24 | . | 1:05.43 |
| 100m Breaststroke | . | 2:11.17 | . | . |
| 200m Breaststroke | . | . | . | . |
| 50m Butterfly | . | . | . | . |
| 100m Butterfly | . | 2:18.58 | . | . |
| 200m Butterfly | . | . | . | . |
| 50m Backstroke | . | 1:02.95 | . | 55.73 |
| 100m Backstroke | . | 2:09.03 | . | 2:02.59 |
| 200m Backstroke | . | . | . | . |
| 200m Individual Medley | . | 4:05.26 | . | . |
| 400m Individual Medley | . | . | . | . |
| 100m Individual Medley | . | 2:13.39 | . | . |
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