EVENT 104 Boys 11/13 Yrs 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Arya Golchin | 12 | Braunstone | 1:33.28 |
| 4 | 3 | Nitesh Anbazhagan | 12 | South Lincs | 1:32.74 |
| 5 | 2 | Willem Kloosterboer | 12 | Louth | 1:32.96 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 5 | Mason Brown | 11 | Nova Cent'n | 1:31.60 |
| 2 | 7 | Joshua Saddington | 12 | Co Derby | 1:31.33 |
| 3 | 9 | Cole Stevens | 11 | Chesterfield | 1:31.19 |
| 4 | 11 | Oliver Kang | 12 | Co Leicester | 1:30.67 |
| 5 | 10 | Tomos Beech | 12 | Nova Cent'n | 1:30.70 |
| 6 | 8 | Declan Luff | 12 | Leic Sharks | 1:31.30 |
| 7 | 6 | George Cummings | 11 | Nova Cent'n | 1:31.48 |
| 8 | 4 | Cole Herman | 11 | Radford | 1:32.30 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 13 | Findlay Cordle | 11 | Co Derby | 1:30.09 |
| 2 | 15 | Edward Bailey | 12 | NottmLeander | 1:29.31 |
| 3 | 17 | Lewis Cotterell | 12 | Hinckley | 1:27.83 |
| 4 | 19 | Lucas Ellis | 12 | Nova Cent'n | 1:27.00 |
| 5 | 18 | Benedict Pater | 13 | Melton M'bry | 1:27.06 |
| 6 | 16 | Oliver Oxley | 12 | Co Leicester | 1:28.35 |
| 7 | 14 | James Berry | 11 | Nova Cent'n | 1:29.40 |
| 8 | 12 | Daniel Beattie | 12 | Glossop | 1:30.65 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 21 | Harry Wakelin | 13 | Sutton | 1:26.82 |
| 2 | 23 | Joshua Sangster | 13 | Leic Sharks | 1:25.70 |
| 3 | 25 | Omar Ghanem | 13 | Northampton | 1:25.60 |
| 4 | 27 | Robert Taylor | 13 | Corby | 1:25.50 |
| 5 | 26 | Reuben Heywood | 13 | Louth | 1:25.58 |
| 6 | 24 | Cameron Breedon | 12 | Nova Cent'n | 1:25.70 |
| 7 | 22 | Jake Hotham | 13 | Chesterfield | 1:26.26 |
| 8 | 20 | Frederick Buckingham | 12 | Co Derby | 1:26.88 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 31 | Lewis Brown | 13 | Derventio | 1:24.30 |
| 2 | 37 | Samuel Munroe | 13 | Co Leicester | 1:22.76 |
| 3 | 43 | Rico Bringeman | 13 | Boston | 1:21.62 |
| 4 | 49 | Callum Melville | 12 | Grantham | 1:19.20 |
| 5 | 46 | Oliver Gillott | 12 | Dronfield | 1:21.04 |
| 6 | 40 | Elliot Sibley | 13 | Nova Cent'n | 1:22.10 |
| 7 | 34 | Charlie Canavan | 13 | Nova Cent'n | 1:23.43 |
| 8 | 28 | Harry Benzies | 13 | Bassetlaw SS | 1:25.40 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 32 | Jamie Green | 13 | Co Lincoln P | 1:24.27 |
| 2 | 38 | Henry Knight | 13 | Rushden | 1:22.22 |
| 3 | 44 | Aidan Joubert | 13 | Co Derby | 1:21.44 |
| 4 | 50 | Samuel Smith | 13 | Northampton | 1:17.40 |
| 5 | 47 | McKenzie Matthews | 13 | Nova Cent'n | 1:20.70 |
| 6 | 41 | James Annable | 12 | Kettering | 1:21.90 |
| 7 | 35 | George Whittle | 12 | Derventio | 1:23.07 |
| 8 | 29 | Adam Clifton | 13 | Radford | 1:25.17 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 33 | James Danson | 13 | NottmLeander | 1:24.00 |
| 2 | 39 | Michael Senior | 13 | Nova Cent'n | 1:22.11 |
| 3 | 45 | Billy Reed | 13 | Grantham | 1:21.27 |
| 4 | 51 | Finley Bunhejee | 13 | NottmLeander | 1:14.60 |
| 5 | 48 | Isaac Caddy | 13 | Derventio | 1:20.03 |
| 6 | 42 | James Wright | 13 | Ilkeston | 1:21.77 |
| 7 | 36 | Thomas Dixon | 13 | Braunstone | 1:22.97 |
| 8 | 30 | Sammy Rahimzadeh | 13 | Nova Cent'n | 1:24.78 |