EVENT 205 Mixed 100m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Martha WOOD | 9 | Grantham | |
| 4 | 2 | Ada PAGE | 9 | Grantham | |
| 5 | 3 | George DOLAN | 9 | Grantham | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Freya EDMONDSON | 9 | Grantham | |
| 2 | 5 | Henry LEONARD | 9 | Grantham | |
| 3 | 6 | Lucia CORTON | 10 | Grantham | 2:15.00 |
| 4 | 7 | Evie FELTON | 10 | Grantham | 2:15.00 |
| 5 | 8 | Bethany MEAKIN | 11 | Grantham | 2:15.00 |
| 6 | 9 | Sophia WRIGHT | 9 | Grantham | 2:05.37 |
| 7 | 10 | Evangeline KINNEAR | 12 | Grantham | 2:01.33 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Tilly WASKETT-BOOTH | 9 | Grantham | 1:47.34 |
| 2 | 12 | Evelyn NICHOLLS | 12 | Grantham | 1:47.29 |
| 3 | 13 | Annabel HILLSON | 10 | Grantham | 1:46.35 |
| 4 | 14 | Daniel GODDARD | 10 | Grantham | 1:45.80 |
| 5 | 15 | Yu Tsing (Trixie) CHEU | 12 | Grantham | 1:44.74 |
| 6 | 16 | Emily CLAYTON | 11 | Grantham | 1:44.53 |
| 7 | 17 | Abigail TAYLOR | 11 | Grantham | 1:42.14 |
| 8 | 18 | Benjamin SHEARN | 11 | Grantham | 1:39.34 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Matilda MCDONNELL | 12 | Grantham | 1:38.88 |
| 2 | 20 | Emmeline GLEAVE | 10 | Grantham | 1:35.02 |
| 3 | 21 | Madeline SURTEES | 13 | Grantham | 1:35.01 |
| 4 | 22 | Austin CHEN-REES | 12 | Grantham | 1:35.00 |
| 5 | 23 | William PENNOCK | 11 | Grantham | 1:34.76 |
| 6 | 24 | Cyril BAO | 9 | Grantham | 1:34.19 |
| 7 | 25 | Thomas KINNEAR | 14 | Grantham | 1:32.85 |
| 8 | 26 | Honey FLOWER | 11 | Grantham | 1:32.54 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 27 | Louis WRIGHT | 12 | Grantham | 1:31.82 |
| 2 | 28 | Ava-Grace GREGORY | 13 | Grantham | 1:30.51 |
| 3 | 29 | Elisabeth KINNEAR | 15 | Grantham | 1:30.36 |
| 4 | 30 | Isabelle CLAYTON | 13 | Grantham | 1:29.99 |
| 5 | 31 | Juliette KIM | 10 | Grantham | 1:29.78 |
| 6 | 32 | Octavia SHEARN | 13 | Grantham | 1:29.68 |
| 7 | 33 | Hannah DOBNEY | 16 | Grantham | 1:28.53 |
| 8 | 34 | Hollie-Ann CROOK | 11 | Grantham | 1:27.88 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 35 | Ella KHAMA | 11 | Grantham | 1:27.69 |
| 2 | 36 | George LEONARD | 13 | Grantham | 1:26.87 |
| 3 | 37 | Freddie HIRST | 11 | Grantham | 1:26.34 |
| 4 | 38 | Juliette KING | 13 | Grantham | 1:24.93 |
| 5 | 39 | Henry DOLAN | 12 | Grantham | 1:24.05 |
| 6 | 40 | Elliot GLEAVE | 12 | Grantham | 1:24.00 |
| 7 | 41 | Joshua KIM | 13 | Grantham | 1:23.91 |
| 8 | 42 | Alfie HAIGH | 16 | Grantham | 1:23.04 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 43 | Yu Ching (Eugene) CHEU | 14 | Grantham | 1:22.79 |
| 2 | 44 | Derrin BROCKLEBANK | 11 | Grantham | 1:22.41 |
| 3 | 45 | Elena ALDENHOFF-KELLY | 17 | Grantham | 1:20.86 |
| 4 | 46 | Mia PARAPIJONAVICIUTE | 16 | Grantham | 1:20.81 |
| 5 | 47 | Lexie SHEWAN | 15 | Grantham | 1:20.38 |
| 6 | 48 | Lucy ABBOTT | 13 | Grantham | 1:20.07 |
| 7 | 49 | Arthur BREARLEY-NEWSOM | 14 | Grantham | 1:20.05 |
| 8 | 50 | Thomas HILLSON | 12 | Grantham | 1:19.92 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 51 | Jimmin BAO | 12 | Grantham | 1:19.17 |
| 2 | 52 | Grace HOWITT | 16 | Grantham | 1:18.41 |
| 3 | 53 | Toby EDMONDSON | 11 | Grantham | 1:18.36 |
| 4 | 54 | Jessica - Rose DAVISON | 16 | Grantham | 1:17.52 |
| 5 | 55 | Markas PARAPIJONAVICIU | 12 | Grantham | 1:17.01 |
| 6 | 56 | Ellena HOWITT | 14 | Grantham | 1:16.53 |
| 7 | 57 | Amy TAYLOR | 14 | Grantham | 1:16.49 |
| 8 | 58 | Darcey WOOD | 14 | Grantham | 1:15.15 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 59 | Sophie WARD | 16 | Grantham | 1:14.67 |
| 2 | 60 | Isobel ALLSOP | 15 | Grantham | 1:14.30 |
| 3 | 61 | Lucy WILLATTS | 14 | Grantham | 1:12.24 |
| 4 | 62 | Isla GRAY | 15 | Grantham | 1:10.27 |
| 5 | 63 | Annabelle JAY | 14 | Grantham | 1:10.09 |
| 6 | 64 | Grace TURNER | 18 | Grantham | 1:10.08 |
| 7 | 65 | Chloe HOPKINSON | 20 | Grantham | 1:10.00 |
| 8 | 66 | Daniel DEGNAN | 17 | Grantham | 1:07.26 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 68 | Grace MACDONALD | 16 | Grantham | 1:05.44 |
| 2 | 70 | Jacob FISH | 16 | Grantham | 1:04.05 |
| 3 | 72 | James DOBNEY | 21 | Grantham | 1:00.10 |
| 4 | 74 | Joshua CLARKE | 17 | Grantham | 59.07 |
| 5 | 73 | Benjamin ROBERTS | 16 | Grantham | 1:00.00 |
| 6 | 71 | Zach HOPKINSON | 16 | Grantham | 1:03.12 |
| 7 | 69 | Ben CARLYLE | 15 | Grantham | 1:04.31 |
| 8 | 67 | Luke DAYBELL | 16 | Grantham | 1:07.05 |