EVENT 601 Female 200m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Isabelle PASLARU | 13 | Linslade | |
| 4 | 4 | Emma WOOD | 10 | Team Luton | |
| 5 | 3 | Dorothy GOODA | 10 | Team Luton | |
| 6 | 1 | Lily BADDELEY | 11 | Flitwick | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Chloe FINCH | 13 | Biggleswade | |
| 2 | 8 | Sara BOUKHTOUCHE | 9 | Ealing | |
| 3 | 10 | Katherine SINKER | 11 | Ealing | 4:17.10 |
| 4 | 12 | Anna-Maria TOSKOVA | 9 | Epping For't | 3:50.00 |
| 5 | 11 | Eliza BARFORD | 12 | Linslade | 3:51.24 |
| 6 | 9 | Sophie LAPUCHA | 11 | Team Luton | |
| 7 | 7 | Isabelle AKINBADE | 9 | Bletchley | |
| 8 | 5 | Elizabeth PARTON | 12 | Linslade | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Kotryna SAKALAUSKAITE | 10 | Epping For't | 3:42.46 |
| 2 | 16 | Edith ELLISON | 11 | Epping For't | 3:41.64 |
| 3 | 18 | Jiali JIAO | 9 | Epping For't | 3:40.00 |
| 4 | 20 | Hannah LAM | 10 | Epping For't | 3:35.64 |
| 5 | 19 | Charlotte COX | 16 | Linslade | 3:39.53 |
| 6 | 17 | Anais SHEIKH | 12 | Ealing | 3:40.03 |
| 7 | 15 | Carolina PRUSAK | 12 | Team Luton | 3:42.23 |
| 8 | 13 | Eva AITCHESON | 12 | Leighton Buz | 3:48.06 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Olivia DE SOUSA REIS | 10 | Epping For't | 3:34.38 |
| 2 | 23 | Grace JACKSON | 10 | Flitwick | 3:30.75 |
| 3 | 25 | Peggy RAYNSFORD-FOX | 11 | Bo Southend | 3:26.60 |
| 4 | 27 | Keira Rose BOUQUET | 11 | Ealing | 3:23.24 |
| 5 | 26 | Tilly WATTS | 11 | Flitwick | 3:25.58 |
| 6 | 24 | Amelie TITOT | 12 | Epping For't | 3:30.00 |
| 7 | 22 | Charley COOK | 12 | Flitwick | 3:31.57 |
| 8 | 65 | Phoebe DOUGLAS | 12 | Bo Southend | 3:35.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 29 | Amelie MURRAY | 11 | Epping For't | 3:22.05 |
| 2 | 31 | Inaaya SAMPONG | 12 | Team Luton | 3:20.20 |
| 3 | 33 | Lilac BOOTH | 13 | Ealing | 3:19.73 |
| 4 | 35 | Abbie WHITE | 11 | Biggleswade | 3:19.40 |
| 5 | 34 | Siao-Siao GUO | 13 | Broomfield | 3:19.59 |
| 6 | 32 | Lucy BISCOE | 9 | Team Luton | 3:20.10 |
| 7 | 30 | Summer ZHANG | 11 | Ealing | 3:20.28 |
| 8 | 28 | Catherine NEWIS | 12 | Biggleswade | 3:22.14 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 37 | Florence GILL | 10 | Epping For't | 3:17.96 |
| 2 | 40 | Tierney FOX | 14 | Biggleswade | 3:11.48 |
| 3 | 42 | Jemima GREEN | 11 | Bletchley | 3:09.09 |
| 4 | 44 | Florence BRYANT | 12 | Bo Southend | 3:08.00 |
| 5 | 43 | Ella KOLOBIUS | 12 | Team Luton | 3:08.13 |
| 6 | 41 | Ruth BISCOE | 11 | Team Luton | 3:09.10 |
| 7 | 39 | Noelle BLAKELY | 11 | Flitwick | 3:15.92 |
| 8 | 36 | Chloe WILMINGTON | 11 | Flitwick | 3:18.30 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 46 | Taitiana MBILI | 14 | Bo Southend | 3:06.42 |
| 2 | 48 | Mia HAYES | 11 | Linslade | 3:05.91 |
| 3 | 50 | Coco WRIGHT | 12 | Ealing | 3:05.33 |
| 4 | 52 | Aimee HILL | 13 | Linslade | 3:03.88 |
| 5 | 51 | Annabella SCOTT | 11 | Ealing | 3:05.20 |
| 6 | 49 | Maisie HOWELL | 11 | Bo Southend | 3:05.66 |
| 7 | 47 | Eleanor WAHL | 11 | Leighton Buz | 3:06.20 |
| 8 | 45 | Lola NEVZAT | 11 | Flitwick | 3:06.89 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 54 | Elsie COLE | 11 | Epping For't | 3:02.77 |
| 2 | 57 | Elizabeth STOCKS | 12 | Linslade | 2:59.96 |
| 3 | 60 | Rowena BARNARD | 15 | Epping For't | 2:59.19 |
| 4 | 63 | Sophie BARRY | 13 | Bo Southend | 2:57.28 |
| 5 | 62 | Charlotte STOREY | 13 | Flitwick | 2:57.81 |
| 6 | 59 | Lauren IBBOTSON | 11 | Linslade | 2:59.50 |
| 7 | 55 | Arabella BEEVERS | 13 | Bo Southend | 3:01.28 |
| 8 | 53 | Sophia LABRANDE | 12 | Willesden | 3:03.00 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 66 | Lauren TOUGH | 14 | Team Luton | 2:54.07 |
| 2 | 69 | Zoi Hei LAM | 15 | Ealing | 2:51.47 |
| 3 | 71 | Cydney PAGE | 16 | Biggleswade | 2:49.30 |
| 4 | 73 | Amber TIGHT | 14 | Flitwick | 2:45.69 |
| 5 | 72 | Tamar HOVELL | 15 | Ealing | 2:46.38 |
| 6 | 70 | Larissa COWLEY | 17 | Harpenden | 2:49.95 |
| 7 | 67 | Violet RHODES | 12 | Team Luton | 2:53.76 |
| 8 | 64 | Anna INGRAM | 14 | Ealing | 2:55.87 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 75 | Charlotte STOCKS | 12 | Linslade | 2:44.78 |
| 2 | 78 | Florence WHITTAKER | 14 | Biggleswade | 2:39.97 |
| 3 | 80 | Ella FANNING | 13 | Flitwick | 2:39.08 |
| 4 | 82 | Eliza JENNINGS | 13 | Biggleswade | 2:37.70 |
| 5 | 81 | Lucy ALEXANDER | 15 | Harpenden | 2:38.87 |
| 6 | 79 | Eva JACKSON | 13 | Flitwick | 2:39.30 |
| 7 | 77 | Eliza SWANEPOEL | 17 | Epping For't | 2:44.26 |
| 8 | 74 | Emma LOUD | 13 | Ealing | 2:45.56 |