EVENT 204 Open/Male MC 09 /Over 100m Breastst - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Jimmin BAO | 11 | Grantham | |
| 4 | 2 | William PENNOCK | 11 | Grantham | |
| 5 | 3 | Theodor BULAT | 11 | Co Lincoln P | 2:05.99 |
| 6 | 4 | Daniel GODDARD | 10 | Grantham | 1:57.24 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Benjamin GODDARD | 12 | Grantham | 1:49.50 |
| 2 | 6 | Damir IVANOVS | 9 | Boston | 1:48.65 |
| 3 | 7 | Derrin BROCKLEBANK | 11 | Grantham | 1:44.67 |
| 4 | 8 | Leo BARNETT | 13 | Grantham | 1:44.58 |
| 5 | 9 | Evan DENNY | 12 | Shepshed | 1:42.13 |
| 6 | 10 | Toby WALKER | 11 | Shepshed | 1:41.00 |
| 7 | 11 | Ted WALKER | 9 | Shepshed | 1:40.50 |
| 8 | 12 | Bobby WALLIS | 12 | Co Lincoln P | 1:40.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Ioan EVELEIGH | 13 | Shepshed | 1:37.22 |
| 2 | 14 | Harry BEASTALL | 13 | Co Lincoln P | 1:37.04 |
| 3 | 15 | Toby EDMONDSON | 10 | Grantham | 1:35.99 |
| 4 | 16 | Elliot GLEAVE | 12 | Grantham | 1:33.74 |
| 5 | 17 | Markas PARAPIJONAVICIU | 11 | Grantham | 1:31.70 |
| 6 | 18 | Ben CARLYLE | 15 | Grantham | 1:23.30 |
| 7 | 19 | Samuel DOOLIN | 13 | Rykneld | 1:22.90 |
| 8 | 20 | Anas LACHHEB | 15 | South Lincs | 1:18.49 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Finley ROWDING | 13 | Co Lincoln P | 1:17.38 |
| 2 | 24 | Archie BRYAN | 19 | Shepshed | 1:13.18 |
| 3 | 26 | Morgan FARRAR | 15 | Co Lincoln P | 1:11.55 |
| 4 | 28 | Ryan NORTON | 17 | Boston | 1:10.42 |
| 5 | 27 | Jack ZERAVICA | 16 | Grantham | 1:11.24 |
| 6 | 25 | Aidan FITZGIBBON | 17 | Co Lincoln P | 1:11.93 |
| 7 | 23 | Marcel BARSZCZ | 15 | Rykneld | 1:16.95 |
| 8 | 21 | Freddie TRAGNI | 15 | Co Lincoln P | 1:18.45 |