EVENT 206 Girls 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Carly SILKSTONE | 13 | Rotherham Mo | 2:10.70 |
| 2 | 3 | Leila MARANDI | 9 | Bassetlaw SS | 2:03.96 |
| 3 | 5 | Maya HUNDAL | 14 | Etwall | 2:00.00 |
| 4 | 4 | Eden HAMMERTON | 10 | Rotherham Mo | 2:01.00 |
| 5 | 2 | Hope HAMMERTON | 10 | Rotherham Mo | 2:10.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Ella HE | 11 | Gainsborough | 1:50.57 |
| 2 | 9 | Mia LEIGHTON | 10 | Rotherham Mo | 1:50.00 |
| 3 | 11 | Scarlett ANDERSON | 10 | Bassetlaw SS | 1:48.09 |
| 4 | 10 | Lilia HART | 11 | Eckington | 1:48.54 |
| 5 | 8 | Eva ROLFE | 12 | Eckington | 1:50.28 |
| 6 | 6 | Francesca OLDALE | 11 | Rotherham Mo | 1:53.28 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Amelia THOMPSON | 11 | Rotherham Mo | 1:47.00 |
| 2 | 15 | Isabelle TOWN | 11 | Eckington | 1:43.80 |
| 3 | 17 | India ROSS | 9 | Rotherham Mo | 1:41.61 |
| 4 | 16 | Brooke TORRY | 11 | Eckington | 1:41.99 |
| 5 | 14 | Jessica COLE | 11 | Eckington | 1:46.78 |
| 6 | 12 | Rosie JONES | 12 | Deepings | 1:47.71 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Evie DAVIES | 10 | Deepings | 1:40.00 |
| 2 | 21 | Charlotte VERNON | 13 | Etwall | 1:39.13 |
| 3 | 23 | Amelia FINNIE | 12 | Rotherham Mo | 1:35.00 |
| 4 | 22 | Grace ROBERTS | 13 | Gainsborough | 1:38.41 |
| 5 | 20 | Emily GOODACRE | 11 | Bassetlaw SS | 1:39.61 |
| 6 | 18 | Harriet MEADOWS | 10 | Bassetlaw SS | 1:40.03 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Mobisade ADEWUMI | 9 | Rotherham Mo | 1:33.68 |
| 2 | 27 | Olivia KING | 11 | Deepings | 1:33.23 |
| 3 | 29 | Chloe BOND | 13 | Etwall | 1:28.95 |
| 4 | 28 | Ava CRANFIELD | 13 | Eckington | 1:30.00 |
| 5 | 26 | Kiranjit CHAHAL | 12 | Rotherham Mo | 1:33.56 |
| 6 | 24 | Summer WOODCOCK | 9 | Bassetlaw SS | 1:34.48 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 31 | Olivia COOKE | 14 | Etwall | 1:26.75 |
| 2 | 33 | Isabella REYNOLDS | 13 | Deepings | 1:25.65 |
| 3 | 35 | Melody HART | 15 | Eckington | 1:25.45 |
| 4 | 34 | Bronte EASEY | 11 | Bassetlaw SS | 1:25.60 |
| 5 | 32 | Aimee ALY-WESTON | 13 | Bassetlaw SS | 1:26.16 |
| 6 | 30 | Alice TORRY | 14 | Eckington | 1:27.90 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 37 | Isla STOCKLEY | 11 | Bassetlaw SS | 1:21.20 |
| 2 | 39 | Molly HAMBLEN | 14 | Etwall | 1:20.70 |
| 3 | 41 | Julia MORTON | 18 | Etwall | 1:20.24 |
| 4 | 40 | Charlotte JENKINSON | 13 | Deepings | 1:20.56 |
| 5 | 38 | Neve LYNCH | 14 | Rotherham Mo | 1:21.12 |
| 6 | 36 | Eva WILLIAMS | 13 | Eckington | 1:22.99 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 43 | Eve TAYLOR | 13 | Rotherham Mo | 1:19.32 |
| 2 | 45 | Tate FOX | 12 | Bassetlaw SS | 1:18.55 |
| 3 | 47 | Charlotte LAMB | 15 | Etwall | 1:17.23 |
| 4 | 46 | Abigail BETTS | 13 | Bassetlaw SS | 1:18.07 |
| 5 | 44 | Isobel JOHNSON | 16 | Eckington | 1:18.91 |
| 6 | 42 | Stansie CROWE | 12 | Bassetlaw SS | 1:19.70 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 49 | Corey FARLEY | 14 | Deepings | 1:13.34 |
| 2 | 51 | Isabelle MCCORKELL | 15 | Gainsborough | 1:11.24 |
| 3 | 53 | Rachel WEBB | 16 | Bassetlaw SS | 1:05.49 |
| 4 | 52 | Ruby CREDLAND | 16 | Bassetlaw SS | 1:09.05 |
| 5 | 50 | Imogen HOWITT | 11 | Bassetlaw SS | 1:11.97 |
| 6 | 48 | Molly BRIERS | 17 | Deepings | 1:15.87 |