EVENT 202 Boy Open 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Thomas KINNEAR | 11 | Grantham | |
| 4 | 2 | Ben CARLYLE | 13 | Grantham | |
| 5 | 3 | Thomas HILLSON | 10 | Grantham | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Graeme ABRAHAMS | 36 | Deepings | |
| 2 | 5 | Kieron TOMS | 13 | Deepings | |
| 3 | 6 | George LEONARD | 11 | Grantham | 4:15.00 |
| 4 | 7 | Stanley THURLOW | 10 | Lincoln Vulc | 3:45.00 |
| 5 | 8 | Robbie DUFF | 12 | Lincoln Vulc | 3:30.00 |
| 6 | 9 | Rian SOUTHWOOD | 12 | Louth | 3:18.07 |
| 7 | 10 | George SHAW | 26 | Deepings | 3:08.18 |
| 8 | 11 | James HUCKLE | 11 | Lincoln Vulc | 3:03.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Daniel DEGNAN | 15 | Grantham | 2:49.64 |
| 2 | 15 | Aaron SADLER | 13 | South Lincs | 2:46.50 |
| 3 | 17 | Bradley HOLLAND | 14 | South Lincs | 2:38.01 |
| 4 | 19 | Joseph PARNELL | 16 | Co Lincoln P | 2:25.31 |
| 5 | 18 | Jacob BRIERS | 15 | Deepings | 2:26.74 |
| 6 | 16 | James CASH | 13 | Deepings | 2:41.85 |
| 7 | 14 | William VERE | 14 | South Lincs | 2:47.84 |
| 8 | 12 | Matthew TOMPKINSON | 14 | Louth | 2:53.50 |