EVENT 209 Women 10/12 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 1 | Rose Webb | 12 | S6 | Northampton | 1:54.12 |
| 4 | 3 | Bowan Wainwright | 11 | | Northampton | 1:52.78 |
| 5 | 2 | Elizabeth Chisholm | 11 | | Wellingboro | 1:53.07 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 6 | Isla Adams | 10 | | Northampton | 1:43.16 |
| 2 | 12 | Mackenzie Wainwright | 12 | | Northampton | 1:36.58 |
| 3 | 18 | Phillippa Cutmore | 11 | | Corby | 1:31.91 |
| 4 | 24 | Lilly Kowal | 12 | | Wellingboro | 1:24.84 |
| 5 | 21 | Lexie Webb | 12 | | Rushden | 1:30.19 |
| 6 | 15 | Neve Booker | 11 | | Wellingboro | 1:35.38 |
| 7 | 9 | Isobelle Frow | 12 | | Corby | 1:37.70 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 7 | A Thorpe-Williams | 11 | | Northampton | 1:40.57 |
| 2 | 13 | Natasha Stilgoe | 12 | | Northampton | 1:35.76 |
| 3 | 19 | Edith Kaberry | 12 | | Corby | 1:31.61 |
| 4 | 25 | Teagan Payne | 12 | | Northampton | 1:23.00 |
| 5 | 22 | Kimberley Hayes | 12 | | Kettering | 1:29.56 |
| 6 | 16 | Jasmin Dodds | 11 | | Wellingboro | 1:34.38 |
| 7 | 10 | Carys Thomas | 11 | | Nene Valley | 1:37.28 |
| 8 | 4 | Jessica Barrett | 11 | | Kettering | 1:51.72 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 8 | Esmie Haines | 10 | | Northampton | 1:38.30 |
| 2 | 14 | Imogen Langley | 12 | | Rushden | 1:35.51 |
| 3 | 20 | Martha Booker | 11 | | Wellingboro | 1:31.07 |
| 4 | 26 | Sofia Reedha | 12 | | Corby | 1:22.93 |
| 5 | 23 | Kennedy McHugh | 12 | | Rushden | 1:25.51 |
| 6 | 17 | Cadence Flynn | 11 | | Northampton | 1:32.68 |
| 7 | 11 | Holly Coleman | 12 | | Wellingboro | 1:36.92 |
| 8 | 5 | Megan James | 10 | | Wellingboro | 1:43.87 |