EVENT 314 Female 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Lina Khider | 13 | Trafford Met | 1:26.70 |
| 3 | 4 | Amber Aston | 15 | Aquabears | 1:25.70 |
| 4 | 6 | Sophia Yu | 15 | Stretford | 1:24.10 |
| 5 | 5 | Rosie Berry | 15 | Co Salford | 1:24.96 |
| 6 | 3 | Sophie Lea | 14 | Southport | 1:25.70 |
| 7 | 1 | Betsy Berry | 14 | Co Salford | 1:26.80 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 38 | Serena Standring | 14 | Winsford | 1:23.50 |
| 2 | 9 | Emily Tabern | 14 | Warrington W | 1:22.90 |
| 3 | 11 | Mia Robinson | 13 | Southport | 1:21.50 |
| 4 | 13 | Emilia Leslie | 16 | Stockport Mo | 1:21.30 |
| 5 | 12 | Gabriella Giblin | 15 | Stockport Mo | 1:21.50 |
| 6 | 10 | Erin McCurrie | 15 | Warrington W | 1:22.80 |
| 7 | 8 | Willoh Morley | 14 | Co Salford | 1:23.13 |
| 8 | 7 | Kara van der Merwe | 14 | Carnforth | 1:23.70 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Scarlett Robinson | 16 | Copeland | 1:20.70 |
| 2 | 17 | Eleanor Armstrong | 14 | Trafford Met | 1:20.30 |
| 3 | 19 | Zara Comb | 16 | Satellite | 1:19.40 |
| 4 | 21 | Sophie Dixon | 14 | Blackpool Aq | 1:18.41 |
| 5 | 20 | Robinson Grace | 17 | Co Manch Aq | 1:19.00 |
| 6 | 18 | Harriet Rawlings | 16 | Southport | 1:19.85 |
| 7 | 16 | Dominika Frackowiak | 16 | Trafford Met | 1:20.40 |
| 8 | 14 | Bonnie Carruthers | 14 | Ramsbottom | 1:20.88 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 23 | Elizabeth Adam | 14 | Leyland Barr | 1:17.73 |
| 2 | 25 | Rebecca Amor | 21 | Copeland | 1:17.57 |
| 3 | 37 | Kate Schillinger | 14 | Winsford | 1:17.00 |
| 4 | 39 | Lois Inch | 17 | Winsford | 1:16.20 |
| 5 | 28 | Dior Beavan | 15 | Wirral Metro | 1:16.60 |
| 6 | 26 | Georgia Maggs | 19 | Co Manch Aq | 1:17.30 |
| 7 | 24 | Jane Ryan | 16 | Swim_Ireland | 1:17.65 |
| 8 | 22 | Jessica Sunderland | 18 | Aquabears | 1:18.20 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 30 | Amelia Osborne | 19 | Co Manch Aq | 1:15.10 |
| 2 | 32 | Cara Maher | 18 | Swim_Ireland | 1:14.48 |
| 3 | 34 | Ellie Campbell | 17 | Trojan. | 1:14.31 |
| 4 | 36 | Denisa-Elena Gogu | 26 | Co Manch Aq | 1:12.90 |
| 5 | 35 | Natasha Proffitt | 26 | Satellite | 1:13.90 |
| 6 | 33 | Amy Noble | 18 | Swim_Ireland | 1:14.38 |
| 7 | 31 | Ruby Swinney | 17 | Ramsbottom | 1:14.84 |
| 8 | 29 | Alissa Boslem | 16 | Co Salford | 1:15.60 |