EVENT 306 Girl Open 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Scarlett HUMPHREY | 16 | Northampton | 1:32.12 |
| 3 | 4 | Meredith NEWHAM-MILES | 12 | Co Derby | 1:23.37 |
| 4 | 3 | Amelie RATLIFF | 11 | Co Derby | 1:30.59 |
| 5 | 1 | Eliza HUMPHREY | 16 | Northampton | 1:32.31 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Nya WILKINSON | 12 | Northampton | 1:19.51 |
| 2 | 8 | Amber SEVILLE | 13 | Royal Wolv | 1:18.18 |
| 3 | 10 | Abbie TUNNICLIFFE | 13 | Derventio | 1:17.89 |
| 4 | 9 | Milly WILSON | 14 | Northampton | 1:17.96 |
| 5 | 7 | Margaret WELSH | 13 | Derventio | 1:18.34 |
| 6 | 5 | Katy WRIGHT | 12 | Derventio | 1:21.65 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Sian EVANS | 13 | Royal Wolv | 1:16.93 |
| 2 | 14 | Eva LEMMON | 13 | Derventio | 1:16.60 |
| 3 | 16 | Anna TYERS | 13 | Co Derby | 1:15.53 |
| 4 | 15 | Emily ACHURCH | 13 | Northampton | 1:16.06 |
| 5 | 13 | Emily LYONS | 14 | Derventio | 1:16.61 |
| 6 | 11 | Chloe TANGAYI | 13 | Northampton | 1:17.46 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Jessica COX | 16 | Royal Wolv | 1:15.03 |
| 2 | 20 | Grace GUY | 14 | Royal Wolv | 1:13.87 |
| 3 | 22 | Erin GENT | 13 | Derventio | 1:13.00 |
| 4 | 21 | Lauren TOMLINSON | 16 | BelperMarlin | 1:13.20 |
| 5 | 19 | Millie KING | 13 | Co Derby | 1:13.88 |
| 6 | 17 | Molly BRIERS | 15 | Deepings | 1:15.45 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Jessie-Leigh JENNS | 16 | Royal Wolv | 1:11.95 |
| 2 | 26 | Katie HEALD | 15 | Derventio | 1:11.57 |
| 3 | 28 | Catherine ROBSON | 14 | Co Derby | 1:10.69 |
| 4 | 27 | Lucy CADDEN | 17 | Co Derby | 1:10.95 |
| 5 | 25 | Lily FREEMAN | 14 | Northampton | 1:11.67 |
| 6 | 23 | Logan SHIELDS | 15 | Royal Wolv | 1:12.97 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 30 | Anna JOHNSON | 16 | Northampton | 1:09.05 |
| 2 | 32 | Evie WOOLLEY | 15 | Northampton | 1:07.60 |
| 3 | 34 | Chloe HARRIS | 16 | Royal Wolv | 1:07.37 |
| 4 | 33 | Rebecca LOWE | 17 | Northampton | 1:07.59 |
| 5 | 31 | Eja COE | 15 | Derventio | 1:08.78 |
| 6 | 29 | Emilia CIESZCZYK | 14 | Northampton | 1:10.33 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 36 | Katie LEARY | 17 | Royal Wolv | 1:07.35 |
| 2 | 38 | Charlotte HALL | 19 | Derventio | 1:06.41 |
| 3 | 40 | Charlotte ROOME | 14 | Derventio | 1:06.06 |
| 4 | 39 | Sophie BUSBY | 15 | Derventio | 1:06.41 |
| 5 | 37 | Evie BARBER | 17 | Royal Wolv | 1:06.61 |
| 6 | 35 | Aimee MONKS | 16 | Royal Wolv | 1:07.37 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 42 | Louise JONES | 16 | Royal Wolv | 1:05.59 |
| 2 | 44 | Charlotte CULLEN | 17 | Royal Wolv | 1:04.81 |
| 3 | 46 | Charley JONES | 19 | Stourbridge | 1:01.50 |
| 4 | 45 | Georgina PRYOR | 23 | Derventio | 1:01.62 |
| 5 | 43 | Lily-May MARSTON | 16 | Royal Wolv | 1:04.83 |
| 6 | 41 | Chloe GOODRIDGE | 16 | Northampton | 1:05.62 |