| Personal Details | |
| Name | Isaac Mendham |
| Known As | Isaac |
| Year of Birth | 2011 |
| Eligibility Category | Open/Male |
| Membership Details | |||
| Member Number | 1493473 | ||
| Member Status | Current | ||
| Ranked Club | Chelmsford City SC | ||
| Country of International Representation | England | ||
| Membership Categories |
| SE Club Compete |
| Clubs & Organisations | |
| Club | Ranked |
| Chelmsford City SC | Yes |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | 29.20 | 29.20 | 29.46 | 29.46 |
| 100m Freestyle | 1:03.75 | 1:03.75 | 1:05.03 | 1:05.03 |
| 200m Freestyle | 2:13.58 | 2:13.58 | 2:20.04 | 2:20.04 |
| 400m Freestyle | . | 5:01.53 | 4:47.66 | 4:47.66 |
| 800m Freestyle | 10:08.32 | 10:08.32 | 9:57.52 | 9:57.52 |
| 1500m Freestyle | 18:47.68 | 18:47.68 | . | . |
| 50m Breaststroke | 35.91 | 35.91 | 36.87 | 36.87 |
| 100m Breaststroke | 1:19.86 | 1:19.55 | 1:21.33 | 1:21.33 |
| 200m Breaststroke | . | 2:57.14 | 2:57.23 | 2:57.23 |
| 50m Butterfly | 33.60 | 33.60 | 33.88 | 33.88 |
| 100m Butterfly | . | 1:21.60 | . | 1:41.07 |
| 200m Butterfly | . | . | . | . |
| 50m Backstroke | 31.84 | 31.84 | 33.49 | 33.49 |
| 100m Backstroke | 1:08.02 | 1:08.02 | 1:10.35 | 1:10.35 |
| 200m Backstroke | 2:22.47 | 2:22.47 | 2:25.98 | 2:25.98 |
| 200m Individual Medley | 2:28.02 | 2:28.02 | 2:31.91 | 2:31.91 |
| 400m Individual Medley | . | . | . | . |
| 100m Individual Medley | 1:10.56 | 1:10.56 | . | . |
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