EVENT 403 Female 10 /Over 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | April Williams | 11 | Swansea Aq | 1:48.97 |
| 3 | 4 | Holly Glassford | 12 | Melton M'bry | 1:45.39 |
| 4 | 6 | Cordelia Reed | 11 | Melton M'bry | 1:44.71 |
| 5 | 5 | Leia Zlatanova | 11 | Chesterfield | 1:45.34 |
| 6 | 3 | Natasha Sharpe | 11 | Melton M'bry | 1:47.70 |
| 7 | 1 | Kara Harrity | 10 | Melton M'bry | 1:51.12 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Evie Davies | 12 | Deepings | 1:44.30 |
| 2 | 10 | River Jolley | 10 | Co Leicester | 1:41.49 |
| 3 | 12 | Katherine Toland | 12 | Flitwick | 1:39.85 |
| 4 | 14 | Daisy Hartnett | 11 | Co Leicester | 1:39.14 |
| 5 | 13 | Amelia Kassam | 10 | Co Leicester | 1:39.78 |
| 6 | 11 | Lola Nevzat | 12 | Flitwick | 1:39.99 |
| 7 | 9 | Lucy Quirk | 12 | Loughborough | 1:42.53 |
| 8 | 7 | Caitlynn Edmeades | 12 | Deepings | 1:44.60 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Meredith Hunt | 11 | Melton M'bry | 1:38.84 |
| 2 | 18 | Harriet Meadows | 12 | Bassetlaw SS | 1:37.66 |
| 3 | 20 | Olivia Fern | 11 | Northampton | 1:33.26 |
| 4 | 22 | Aliyah Mohamed | 14 | South Lincs | 1:30.02 |
| 5 | 21 | Olivia King | 13 | Deepings | 1:31.23 |
| 6 | 19 | Violet Moran | 12 | Radford | 1:34.93 |
| 7 | 17 | Clara Wood | 11 | Chesterfield | 1:38.72 |
| 8 | 15 | Maddison Velati | 12 | Loughborough | 1:38.90 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Isla Fowler | 12 | Co Leicester | 1:29.32 |
| 2 | 26 | Florence Lucas | 12 | Co Leicester | 1:28.30 |
| 3 | 28 | Katherine Fletcher | 12 | Co Leicester | 1:26.25 |
| 4 | 30 | Elysia Smith | 15 | Louth | 1:25.36 |
| 5 | 29 | Zoe Jones | 12 | Louth | 1:25.80 |
| 6 | 27 | Charlotte Lucas | 12 | Co Leicester | 1:27.88 |
| 7 | 25 | Arabella Pearce | 13 | Louth | 1:28.81 |
| 8 | 23 | Edie Dexter | 12 | Co Leicester | 1:29.35 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 32 | Shivani Sharma | 12 | Co Leicester | 1:24.60 |
| 2 | 34 | Eloise Allsager | 18 | Leic Peng | 1:22.77 |
| 3 | 36 | Nicola Ablomiejko | 14 | Chesterfield | 1:22.53 |
| 4 | 38 | Bronte Easey | 13 | Bassetlaw SS | 1:21.15 |
| 5 | 37 | Florrie Marriott | 15 | Loughborough | 1:21.72 |
| 6 | 35 | Lily-Grace Belfield | 15 | Chesterfield | 1:22.60 |
| 7 | 33 | Isabelle Walczak | 17 | Leic Peng | 1:23.55 |
| 8 | 31 | Abigail Betts | 15 | Bassetlaw SS | 1:24.87 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 40 | Addison Cropper | 12 | Co Leeds | 1:20.00 |
| 2 | 42 | Iona Watson | 16 | Bassetlaw SS | 1:18.60 |
| 3 | 44 | Martha Macpherson | 18 | Lboro Uni | 1:17.49 |
| 4 | 46 | Olivia Mercer | 21 | Swansea Uni | 1:15.00 |
| 5 | 45 | Sophie Statham-Gill | 16 | Co Leicester | 1:15.35 |
| 6 | 43 | Ella Fanning | 14 | Flitwick | 1:18.49 |
| 7 | 41 | Sophie Lane | 13 | Co Leicester | 1:19.32 |
| 8 | 39 | Hannah Bruce | 16 | South Lincs | 1:20.07 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 48 | Amelia Murphy | 18 | Witham Dolph | 1:14.67 |
| 2 | 50 | M Simpson-Dawson | 15 | Repton | 1:13.78 |
| 3 | 52 | Niamh Dunbar | 17 | Co Leicester | 1:12.70 |
| 4 | 54 | Sophie Hamilton | 20 | Lboro Uni | 1:11.40 |
| 5 | 53 | Ella Bissicks | 18 | Swansea Uni | 1:12.64 |
| 6 | 51 | Amelia Denham | 16 | Chesterfield | 1:13.70 |
| 7 | 49 | Darcie Platts | 17 | Co Leicester | 1:14.57 |
| 8 | 47 | Olivia Anstey | 17 | Louth | 1:14.73 |