EVENT 111 Female 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Ivy Jean HARRIS | 7 | Co Leeds NR | 1:20.00 |
| 3 | 3 | Althea ZAFEIRIOU | 8 | Co Leeds | 1:10.00 |
| 4 | 5 | Talitha SUTCLIFFE | 8 | Co Leeds | 1:06.54 |
| 5 | 4 | Iona KHAN | 8 | Co Leeds | 1:08.08 |
| 6 | 2 | Isla-Grace BULL | 9 | Co Leeds | 1:15.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 7 | Eryn LEATHER | 8 | Co Leeds | 1:03.88 |
| 1 | 9 | Keely LEE | 10 | Co Leeds | 1:00.80 |
| 2 | 11 | Sinchana NAVEEN | 9 | Co Leeds | 59.00 |
| 3 | 13 | Megan FEATHER | 9 | Co Leeds | 55.50 |
| 4 | 15 | Charlotte COOKE | 9 | Co Leeds | 53.29 |
| 5 | 14 | Rosanna LUNN | 9 | Co Leeds | 55.25 |
| 6 | 12 | Ruby WHITEHEAD | 9 | Co Leeds | 57.66 |
| 7 | 10 | Isla BLACKBURN | 10 | Co Leeds | 59.46 |
| 8 | 8 | Keziah MWIINGA | 9 | Co Leeds | 1:01.12 |
| 9 | 6 | Nola BEAUMONT | 8 | Co Leeds | 1:05.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 17 | Elissia JAMIESON | 10 | Co Leeds | 52.99 |
| 1 | 19 | Ivy TOFT | 10 | Co Leeds | 52.30 |
| 2 | 21 | Nora CULLUM | 10 | Co Leeds | 51.22 |
| 3 | 23 | Phoebe WHARTON | 10 | Co Leeds | 50.63 |
| 4 | 25 | Tilly OSBORN | 10 | Co Leeds | 49.74 |
| 5 | 24 | Maddison BURNS | 9 | Co Leeds | 50.12 |
| 6 | 22 | Aubree WALKER-WHELAN | 10 | Co Leeds | 51.00 |
| 7 | 20 | Suraya KAYA | 10 | Co Leeds | 51.60 |
| 8 | 18 | Mollie BEATON | 11 | Co Leeds | 52.82 |
| 9 | 16 | Evelyn HASKINS | 10 | Co Leeds | 53.06 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 27 | Emilia BEARDSMORE | 10 | Co Leeds | 49.28 |
| 1 | 29 | Kitty KIRKLEY | 9 | Co Leeds | 48.50 |
| 2 | 31 | Edie BARKER | 10 | Co Leeds | 47.00 |
| 3 | 33 | Sorcha LEATHER | 12 | Co Leeds | 43.50 |
| 4 | 35 | Margot ATKINSON | 9 | Co Leeds | 42.63 |
| 5 | 34 | Alanna JAMIESON | 12 | Co Leeds | 43.14 |
| 6 | 32 | Phoebe JACKSON | 10 | Co Leeds | 46.00 |
| 7 | 30 | Florence OLDHAM | 10 | Co Leeds | 47.70 |
| 8 | 28 | Ava MUSTHER | 9 | Co Leeds | 49.22 |
| 9 | 26 | Neive EASINGWOOD | 10 | Co Leeds | 49.31 |