EVENT 404 Girls 11/13 Yrs 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 2 | 1 | Eliza Humphrey | 13 | SB12 | Northampton | 1:57.17 |
| 3 | 3 | Clemmie Chung | 12 | | Arnold | 1:31.66 |
| 4 | 5 | Heaven Harris-Burton | 12 | | Nova Cent'n | 1:28.28 |
| 5 | 4 | Anna Booth | 12 | | Derventio | 1:33.74 |
| 6 | 2 | Scarlett Humphrey | 13 | SB12 | Northampton | 1:45.73 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 7 | Charlotte Roome | 11 | | Co Derby | 1:32.76 |
| 2 | 9 | Anastassia Walker | 12 | | Calv Bing | 1:30.84 |
| 3 | 11 | Charley Holmes | 12 | | Lincoln Vulc | 1:35.44 |
| 4 | 13 | Abby Mitchell | 12 | | Leic Sharks | 1:26.71 |
| 5 | 12 | Sophie Maltby | 12 | | Leic Sharks | DQ: 4.4 |
| 6 | 10 | Alicia Ward-Lowe | 12 | | Co Derby | 1:31.90 |
| 7 | 8 | Freya Wingfield-Dobbs | 12 | | Co Leicester | 1:33.98 |
| 8 | 6 | Evie Johnson | 11 | | Nova Cent'n | 1:32.90 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 17 | Pia Summers-Newton | 12 | | Northampton | DQ: 4.4 |
| 2 | 23 | Tegan Harrison | 13 | | Boston | 1:26.59 |
| 3 | 29 | Poppy Hogg | 13 | | Northampton | 1:26.35 |
| 4 | 35 | Hayley Mair | 13 | | Co Leicester | 1:22.28 |
| 5 | 32 | Laura Dickinson | 13 | | Lincoln Vulc | 1:26.97 |
| 6 | 26 | Keira Dobbs | 13 | | Nova Cent'n | 1:24.92 |
| 7 | 20 | Alexandra Shardlow | 13 | | Co Derby | 1:28.63 |
| 8 | 14 | Elizabeth Burt | 12 | | Boston | 1:30.11 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 18 | Megan Oram | 12 | | BelperMarlin | 1:26.58 |
| 2 | 24 | Talia-Jay Warren | 13 | | Northampton | 1:25.31 |
| 3 | 30 | Leah Hannaford | 13 | | Radford | 1:25.78 |
| 4 | 36 | Isabella Hobson-Corbet | 13 | | Bassetlaw SS | 1:22.62 |
| 5 | 33 | Leah Burgin-Rawson | 13 | | Derventio | 1:24.96 |
| 6 | 27 | Olivia Barrett | 13 | | Nova Cent'n | 1:26.88 |
| 7 | 21 | Jessica Grace | 13 | | Co Derby | 1:27.91 |
| 8 | 15 | Ellie Loades | 12 | | Nova Cent'n | 1:29.28 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 19 | Madeleine Platt | 12 | | Leic Sharks | 1:26.07 |
| 2 | 25 | Foteini Kalkani | 12 | | Co Leicester | 1:27.25 |
| 3 | 31 | Chloe Hopkinson | 13 | | Grantham | 1:27.43 |
| 4 | 37 | Amber Downham | 13 | | Chesterfield | 1:20.08 |
| 5 | 34 | Kate Morris | 13 | | Nova Cent'n | 1:22.18 |
| 6 | 28 | Betty Cresswell | 13 | | DerbyPhoenix | 1:23.70 |
| 7 | 22 | Amaia Steele | 12 | | Nova Cent'n | 1:28.78 |
| 8 | 16 | Alicia Clark | 12 | | Worksop | 1:28.53 |