EVENT 209 Female 15 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Naomi Talbot | 15 | Bolton Metro | |
| 2 | 4 | Olivia Ballard | 16 | Leyland Barr | |
| 3 | 6 | Georgia Cork | 15 | Bolton Metro | |
| 4 | 10 | Charlotte Grimshaw | 19 | Workington | |
| 5 | 9 | Megan Doherty | 17 | Leyland Barr | |
| 6 | 5 | Samantha Harrington | 19 | Co Liverpool | |
| 7 | 3 | Sophia Yu | 15 | Stockport Mo | |
| 8 | 1 | Evie Breeze | 15 | Bolton Metro | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Lauren Cox | 15 | Alsager | |
| 2 | 14 | Sophie Whittles | 15 | Co Salford | |
| 3 | 16 | Laila Lawrenson | 15 | Preston | |
| 4 | 18 | Isabel Owen-Holt | 15 | Wigan BEST | |
| 5 | 17 | Jasmine Rolle | 15 | Bolton Metro | |
| 6 | 15 | Alice Cumberlidge | 15 | Satellite | |
| 7 | 13 | Samantha Travis | 19 | Romiley Mari | |
| 8 | 11 | Olivia Ryan | 15 | Co Manch Aq | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 20 | Aimee Coy | 16 | Co Liverpool | |
| 2 | 22 | Gabriella Giblin | 15 | Stockport Mo | |
| 3 | 24 | Erin McCurrie | 15 | Warrington W | |
| 4 | 26 | Letian Wu | 15 | Trafford Met | |
| 5 | 25 | Elizabeth Lyons | 16 | Co Liverpool | |
| 6 | 23 | Rachel Lewis | 15 | Cockermouth | |
| 7 | 21 | Isabelle Taylor | 16 | Wirral Metro | |
| 8 | 19 | Leah Rose | 16 | Penrith | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 30 | Macy Barker | 17 | Co Liverpool | |
| 2 | 32 | Scarlett Robinson | 16 | Copeland | |
| 3 | 34 | Kerry Hennie | 16 | Co Liverpool | |
| 4 | 36 | Eleanor Kay | 18 | Bolton Metro | |
| 5 | 35 | Henrietta Chick | 15 | N'wich Seals | |
| 6 | 33 | Emily Wade | 16 | Leyland Barr | |
| 7 | 31 | Ruby Sheehan | 17 | Wigan BEST | |
| 8 | 29 | Alissa Boslem | 16 | Co Salford | |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 38 | Ella Blocksidge | 18 | Co Salford | |
| 2 | 40 | Petra Varga | 16 | Wirral Metro | |
| 3 | 42 | Katie Lee | 16 | Co Salford | |
| 4 | 44 | Amelie Blocksidge | 15 | Co Salford | |
| 5 | 43 | Abbie Roscoe | 15 | Wirral Metro | |
| 6 | 41 | Amy Kenworthy | 18 | Winsford | |
| 7 | 39 | Eve Horton | 18 | Wigan BEST | |
| 8 | 37 | Lily Horton | 16 | Wirral Metro | |