EVENT 409 Men Open 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Tyler Holland | 14 | Co Leicester | 2:28.40 |
| 2 | 8 | James Dobney | 18 | Grantham | 2:17.29 |
| 3 | 14 | Charlie James | 16 | Market Har | 2:15.57 |
| 4 | 20 | Liam Dawson | 17 | Derventio | 2:04.60 |
| 5 | 17 | George Moore | 16 | Co Leicester | 2:13.12 |
| 6 | 11 | Owen Hathway | 16 | Grantham | 2:16.10 |
| 7 | 5 | Oliver Henshaw | 14 | BelperMarlin | 2:24.60 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 3 | Edun Rowe | 14 | Northampton | 2:26.38 |
| 2 | 9 | James Lake | 15 | Loughborough | 2:16.90 |
| 3 | 15 | Oliver Silver | 16 | Radford | 2:13.70 |
| 4 | 21 | Cyril Hanson Schleiper | 20 | Nova Cent'n | 2:03.56 |
| 5 | 18 | Samuel Cooke | 16 | Corby | 2:11.80 |
| 6 | 12 | Curtis Minney | 17 | Kettering | 2:15.83 |
| 7 | 6 | Daniel Harris | 15 | Co Leicester | 2:21.81 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Lewis Fitch | 15 | Co Leicester | 2:25.40 |
| 2 | 10 | Findlay Cordle | 15 | Repton | 2:16.30 |
| 3 | 16 | Oscar Dodds | 16 | Co Leicester | 2:13.70 |
| 4 | 22 | Elliot Day | 20 | Uni of Nott | 2:02.18 |
| 5 | 19 | Callum Kettlewell | 18 | Retford | 2:08.50 |
| 6 | 13 | Luke Jeal | 19 | Nova Cent'n | 2:15.63 |
| 7 | 7 | Jenson Ward | 15 | NottmLeander | 2:20.80 |
| 8 | 1 | Ethan Ford | 15 | Co Leicester | 2:29.18 |