| Personal Details | |
| Name | William Balmer |
| Known As | William |
| Year of Birth | 2012 |
| Eligibility Category | Open/Male |
| Membership Details | |||
| Member Number | 1391089 | ||
| Member Status | Current | ||
| Ranked Club | Guildford City Swimming Club | ||
| Country of International Representation | England | ||
| Membership Categories |
| SE Club Compete |
| Clubs & Organisations | |
| Club | Ranked |
| Guildford City Swimming Club | Yes |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | . | 31.15 | 31.32 | 31.32 |
| 100m Freestyle | 1:08.85 | 1:08.85 | 1:08.08 | 1:08.08 |
| 200m Freestyle | 2:28.98 | 2:28.98 | 2:32.47 | 2:32.47 |
| 400m Freestyle | . | 5:34.85 | 5:21.27 | 5:21.27 |
| 800m Freestyle | 11:20.81 | 11:20.81 | . | . |
| 1500m Freestyle | . | . | . | . |
| 50m Breaststroke | 43.78 | 43.06 | 44.34 | 44.34 |
| 100m Breaststroke | 1:36.62 | 1:36.62 | 1:41.31 | 1:41.31 |
| 200m Breaststroke | . | 3:31.99 | . | . |
| 50m Butterfly | . | 36.38 | 36.17 | 36.17 |
| 100m Butterfly | 1:28.74 | 1:27.58 | . | 1:34.36 |
| 200m Butterfly | . | . | . | . |
| 50m Backstroke | 36.75 | 36.75 | 37.55 | 37.55 |
| 100m Backstroke | . | 1:20.27 | 1:21.69 | 1:21.69 |
| 200m Backstroke | . | 3:16.63 | . | . |
| 200m Individual Medley | 2:54.01 | 2:54.01 | . | . |
| 400m Individual Medley | 6:28.05 | 6:28.05 | . | . |
| 100m Individual Medley | . | . | . | . |
 |   |
