EVENT 159 Female 15 /Over 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 3 | Amber Aston | 15 | | Aquabears | |
| 4 | 5 | Sally Lomax | 15 | | Preston | |
| 5 | 4 | Sophia Yu | 15 | | Stockport Mo | |
| 6 | 1 | Samantha Lewis | 32 | SB7 | Satellite | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 7 | Charlotte Mullett | 18 | | Winsford | |
| 2 | 9 | Isabelle Taylor | 16 | | Wirral Metro | |
| 3 | 11 | Erin McCurrie | 15 | | Warrington W | |
| 4 | 14 | Ellie Johnson | 19 | | Io Man | |
| 5 | 12 | Lauren Cox | 15 | | Alsager | |
| 6 | 10 | Leah Rose | 16 | | Penrith | |
| 7 | 8 | Alice Cumberlidge | 15 | | Satellite | |
| 8 | 6 | Rosie Berry | 15 | | Co Salford | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 16 | Beatrice Bartram | 16 | | Co Liverpool | |
| 2 | 18 | Freya Jones | 16 | | Preston | |
| 3 | 20 | Jasmine Rolle | 15 | | Bolton Metro | |
| 4 | 22 | Sarah Pearson | 16 | | Clitheroe | |
| 5 | 21 | Olivia Jones | 17 | | Wigan BEST | |
| 6 | 19 | Imogen Palmer | 17 | | Flixton | |
| 7 | 17 | Florence Meggitt | 16 | | Satellite | |
| 8 | 15 | Chloe Westmorland | 17 | | Kendal | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 24 | Lola Cragg | 17 | | Burnley BOBC | |
| 2 | 27 | Abigayle Irving | 16 | | Co Liverpool | |
| 3 | 29 | Aimee Coy | 16 | | Co Liverpool | 1:22.16 |
| 4 | 31 | Eva Webb | 15 | | Stockport Mo | 1:22.96 |
| 5 | 30 | Caitlyn Rain | 15 | | Stockport Mo | 1:22.26 |
| 6 | 28 | Chloe Batty | 16 | | Io Man | |
| 7 | 25 | Olivia Ballard | 16 | | Leyland Barr | |
| 8 | 23 | Kate Collin | 16 | | Kendal | |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 34 | Jasmine Cadman | 15 | | Carnforth | 1:22.79 |
| 2 | 36 | Scarlett Robinson | 16 | | Copeland | 1:21.87 |
| 3 | 38 | Peri Watson | 16 | | Penrith | 1:21.88 |
| 4 | 41 | Dominika Frackowiak | 16 | | Trafford Met | 1:21.21 |
| 5 | 40 | Chloe Aitken | 19 | | N'wich Seals | 1:17.45 |
| 6 | 37 | Anna Heider | 19 | | Co Manch Aq | |
| 7 | 35 | Mia Allen | 16 | | Stockport Mo | 1:21.76 |
| 8 | 33 | Harriet Rawlings | 16 | | Southport | 1:21.79 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 46 | Emily Lines | 15 | | N'wich Seals | 1:17.45 |
| 2 | 52 | Georgia Maggs | 19 | | Co Manch Aq | 1:20.03 |
| 3 | 58 | Jenna Cross | 18 | | Preston | 1:16.51 |
| 4 | 65 | Gabriella Hunt | 16 | | Co Liverpool | 1:14.88 |
| 5 | 62 | Amelia Osborne | 19 | | Co Manch Aq | 1:17.53 |
| 6 | 55 | Madison Rens | 17 | | Co Liverpool | 1:19.14 |
| 7 | 49 | Evie Cutter | 15 | | Wigan BEST | 1:21.66 |
| 8 | 42 | Siena Oxby | 17 | SB14 | Stockport Mo | |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 47 | Grace Robinson | 17 | SB14 | Co Manch Aq | |
| 2 | 53 | Lois Inch | 17 | | Winsford | |
| 3 | 59 | Dior Beavan | 15 | | Wirral Metro | 1:17.20 |
| 4 | 66 | Joni Dunne | 15 | | Co Liverpool | 1:13.12 |
| 5 | 63 | Katie Lee | 16 | | Co Salford | 1:15.86 |
| 6 | 56 | Alissa Boslem | 16 | | Co Salford | 1:18.78 |
| 7 | 50 | Jessica Sunderland | 18 | | Aquabears | |
| 8 | 43 | Lily Horton | 16 | | Wirral Metro | 1:17.47 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 48 | Bethany Howard-Hughes | 18 | | Halton | |
| 2 | 54 | Gabriella Giblin | 15 | | Stockport Mo | 1:18.81 |
| 3 | 61 | Natasha Proffitt | 26 | | Satellite | 1:15.18 |
| 4 | 67 | Anastasia Musat | 15 | | Co Salford | 1:13.56 |
| 5 | 64 | Amelie Elliott | 18 | | Leyland Barr | 1:17.24 |
| 6 | 57 | Lucy Shore | 17 | | Crewe Flyers | 1:20.32 |
| 7 | 51 | Alice Holt | 15 | | Wigan BEST | 1:19.70 |
| 8 | 44 | Zara Dodd | 18 | | Ramsbottom | |