EVENT 502 Boys/Girls Open 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 1 | Gus FRASER | 12 | | Winsford | 21:52.31 |
| 2 | 3 | Annabel ELLIOTT | 14 | | Stockport Mo | 20:18.20 |
| 3 | 5 | Sophia HEWLETT | 13 | | Bebington | 20:11.59 |
| 4 | 8 | Isabelle TAYLOR | 15 | | Wirral Metro | 19:58.05 |
| 5 | 7 | Sally KNIGHT | 14 | | Satellite | 20:00.22 |
| 6 | 4 | Jessica GOLDSMITH | 13 | | Winsford | 20:14.95 |
| 7 | 2 | Harry JONES | 13 | | Winsford | 20:37.96 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 12 | Lauren BERRY | 13 | | Wirral Metro | 19:38.77 |
| 2 | 16 | Anna FENWICK | 15 | | Satellite | 19:23.10 |
| 3 | 18 | Daniel RICHARDSON | 15 | | Winsford | 19:21.95 |
| 4 | 20 | Grace WHALLEY | 17 | | Satellite | 19:19.24 |
| 5 | 19 | Emily INNS | 18 | | Altrincham | 19:21.74 |
| 6 | 17 | Thomas RICKELS | 12 | | Winsford | 19:22.63 |
| 7 | 14 | Annabelle ROGAN | 14 | | Wirral Metro | 19:31.77 |
| 8 | 10 | Amelia FITZGERALD | 14 | | Winsford | 19:46.17 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 22 | Emily HALL | 13 | | Warrington W | 19:13.25 |
| 2 | 24 | Freya CARNELL | 16 | | Satellite | 18:59.80 |
| 3 | 27 | Jack HARMER | 15 | | Satellite | 18:50.25 |
| 4 | 29 | Macy BARKER | 16 | | Warrington W | 18:34.29 |
| 5 | 28 | Luke KAVANAGH | 15 | | Wirral Metro | 18:42.44 |
| 6 | 25 | Emily FRENCH | 15 | | Wirral Metro | 18:58.78 |
| 7 | 23 | Eleanor MA | 17 | | Winsford | 19:12.08 |
| 8 | 21 | Christopher JAMIESON | 14 | | Bebington | 19:14.56 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 31 | Martha RICKETS | 16 | | Satellite | 18:29.11 |
| 2 | 33 | Gia HOTHERSALL | 17 | | Wirral Metro | 18:23.55 |
| 3 | 38 | Olivia WATTS | 14 | | Warrington W | 18:12.83 |
| 4 | 40 | Henry TAYLOR | 15 | | Stockport Mo | 18:04.14 |
| 5 | 39 | Thomas HILTON | 16 | | Warrington W | 18:12.52 |
| 6 | 35 | Reuben ASPINALL | 15 | | Crewe Flyers | 18:21.56 |
| 7 | 32 | Amelia GERRARD | 14 | | Warrington W | 18:26.97 |
| 8 | 30 | Isobel HITCHMOUGH | 14 | | Warrington W | 18:33.48 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 42 | Megan RICKELS | 15 | | Winsford | 18:02.73 |
| 2 | 44 | Payton CHESTERS | 15 | | Warrington W | 17:54.30 |
| 3 | 46 | Simon HARRISON | 15 | | Satellite | 17:47.38 |
| 4 | 48 | Lauren JONES | 18 | | Warrington W | 17:42.51 |
| 5 | 47 | Alex RIX | 16 | | Warrington W | 17:42.78 |
| 6 | 45 | Euan FLANNERY | 14 | | Warrington W | 17:53.08 |
| 7 | 43 | Amy KENWORTHY | 17 | | Winsford | 17:55.28 |
| 8 | 41 | William LINE | 16 | | Winsford | 18:02.75 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 50 | Daniel HILTON | 17 | | Warrington W | 17:38.76 |
| 2 | 52 | Kerry HENNIE | 15 | | Warrington W | 17:32.99 |
| 3 | 54 | Abbie ROSCOE | 14 | | Wirral Metro | 17:14.19 |
| 4 | 56 | Thomas DENHAM-EVERETT | 19 | | Satellite | 17:05.86 |
| 5 | 55 | Joseph ASHLEY | 15 | | Warrington W | 17:10.22 |
| 6 | 53 | Evie CLARE | 14 | | Stockport Mo | 17:28.25 |
| 7 | 51 | Jordan ORMOND | 19 | | Bebington | 17:34.45 |
| 8 | 49 | Andrew DOBBING | 18 | | Bebington | 17:42.50 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 58 | Adam JONES | 20 | | Trafford Met | 17:01.84 |
| 2 | 60 | Matthew WARBURTON | 18 | | Warrington W | 16:49.33 |
| 3 | 62 | Adam WRIGHT | 17 | | Winsford | 16:34.19 |
| 4 | 64 | Ronnie WEALL | 16 | | Warrington W | 16:18.01 |
| 5 | 63 | George DAINTITH | 15 | | Warrington W | 16:25.87 |
| 6 | 61 | Lewis TURNER | 17 | | Winsford | 16:37.97 |
| 7 | 59 | Daniel KHODAVERDI | 14 | | Stockport Mo | 16:51.73 |
| 8 | 57 | Alastair JEFFREY | 18 | | Satellite | 17:05.80 |