| Personal Details | |
| Name | Yaroslav Semkin |
| Known As | Yaroslav |
| Year of Birth | 2011 |
| Eligibility Category | Open/Male |
| Membership Details | |||
| Member Number | 1706834 | ||
| Member Status | Current | ||
| Ranked Club | City Of Milton Keynes | ||
| Country of International Representation | England | ||
| Membership Categories |
| SE Club Compete |
| Clubs & Organisations | |
| Club | Ranked |
| City Of Milton Keynes | Yes |
| Click For Personal Best | 2024 Short Course | Short Course PB | 2024 Long Course | Long Course PB |
| 50m Freestyle | 31.41 | 31.41 | . | . |
| 100m Freestyle | . | 1:19.67 | . | . |
| 200m Freestyle | . | . | . | . |
| 400m Freestyle | 5:49.36 | 5:49.36 | . | . |
| 800m Freestyle | . | . | . | . |
| 1500m Freestyle | . | . | . | . |
| 50m Breaststroke | . | 48.24 | . | . |
| 100m Breaststroke | 1:33.89 | 1:33.89 | . | . |
| 200m Breaststroke | . | . | . | . |
| 50m Butterfly | 39.38 | 39.38 | . | . |
| 100m Butterfly | 1:35.63 | 1:35.63 | . | . |
| 200m Butterfly | 3:27.54 | 3:27.54 | . | . |
| 50m Backstroke | 40.34 | 40.34 | . | . |
| 100m Backstroke | 1:27.88 | 1:27.88 | . | . |
| 200m Backstroke | . | . | . | . |
| 200m Individual Medley | . | . | . | . |
| 400m Individual Medley | 6:34.46 | 6:34.46 | . | . |
| 100m Individual Medley | . | . | . | . |
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