EVENT 202 Boys/Girls 10 Yrs/Over 400m Free. - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Charlie GAUL | 11 | Grantham | 8:15.00 |
| 4 | 2 | Leo BARNETT | 11 | Grantham | 7:38.23 |
| 5 | 3 | Poppy HATHWAY | 12 | Grantham | 7:37.44 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Charlotte JAY | 10 | Grantham | 7:30.00 |
| 2 | 5 | Elliot GLEAVE | 10 | Grantham | 7:30.00 |
| 3 | 6 | Ryan BARGH | 11 | Co Lincoln P | 7:30.00 |
| 4 | 7 | Robyn STEEL | 10 | Co Lincoln P | 7:20.00 |
| 5 | 8 | Thomas KINNEAR | 12 | Grantham | 7:00.00 |
| 6 | 9 | Caitlynn EDMEADES | 10 | Deepings | 7:00.00 |
| 7 | 10 | Rosie JONES | 12 | Deepings | 7:00.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Yu Ching (Eugene) CHEU | 12 | Grantham | 7:00.00 |
| 2 | 12 | Toby BROWN | 11 | Deepings | 7:00.00 |
| 3 | 13 | Lucy ABBOTT | 11 | Grantham | 7:00.00 |
| 4 | 14 | Hanna LENTON | 11 | Ripley | 7:00.00 |
| 5 | 15 | Sebastian BRIGGS | 13 | Swadlincote | 6:52.67 |
| 6 | 16 | Isobel ALLSOP | 13 | Grantham | 6:51.82 |
| 7 | 17 | Isla GRAY | 13 | Grantham | 6:49.41 |
| 8 | 18 | Sascha NEL | 13 | Grantham | 6:45.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Lucy JENKINSON | 11 | Deepings | 6:45.00 |
| 2 | 20 | Charlotte GOSLING | 14 | Newark | 6:45.00 |
| 3 | 21 | Annabel SHEPHERD | 11 | Deepings | 6:45.00 |
| 4 | 22 | Toby GAUL | 13 | Grantham | 6:30.00 |
| 5 | 23 | Finley WEST | 12 | Co Lincoln P | 6:30.00 |
| 6 | 25 | Bobby WALLIS | 10 | Co Lincoln P | 6:30.00 |
| 7 | 26 | Tristan EKE | 12 | Co Lincoln P | 6:30.00 |
| 8 | 27 | Arthur BREARLEY-NEWSOM | 12 | Grantham | 6:29.90 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 29 | Ellena HOWITT | 12 | Grantham | 6:17.93 |
| 2 | 31 | Emma AFFLECK | 12 | Deepings | 6:13.01 |
| 3 | 32 | Luca HALLAM | 11 | Grantham | 6:12.76 |
| 4 | 33 | Remi-leigh BERRY | 10 | Co Lincoln P | 6:04.46 |
| 5 | 34 | Millie POOLE | 13 | Co Lincoln P | 5:58.84 |
| 6 | 35 | Evie NEWMAN | 10 | Lincoln Vulc | 5:56.11 |
| 7 | 36 | Oscar DURANT | 12 | Grantham | 5:50.95 |
| 8 | 37 | Orla BAILEY | 12 | Deepings | 5:50.00 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 38 | Dan PALMER | 10 | Co Lincoln P | 5:46.13 |
| 2 | 39 | Grace HOWITT | 14 | Grantham | 5:45.94 |
| 3 | 40 | Lea HILAROWICZ | 15 | Co Lincoln P | 5:42.38 |
| 4 | 41 | Isabella REYNOLDS | 13 | Deepings | 5:42.16 |
| 5 | 42 | Erin ARCHER | 12 | Co Lincoln P | 5:40.00 |
| 6 | 43 | Oliver GARNER | 13 | Co Lincoln P | 5:37.79 |
| 7 | 44 | Amelia HATHWAY | 14 | Grantham | 5:36.33 |
| 8 | 45 | Kieron TOMS | 13 | Deepings | 5:35.00 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 46 | Harriet MCCORMACK | 13 | Grantham | 5:30.02 |
| 2 | 47 | Aydrian COPE | 14 | Ripley | 5:27.82 |
| 3 | 48 | Ellie PARKES | 17 | Co Lincoln P | 5:27.50 |
| 4 | 49 | Jessica-Rose DAVISON | 14 | Grantham | 5:24.80 |
| 5 | 50 | William BURDOCK | 14 | Deepings | 5:24.14 |
| 6 | 51 | Kieran MCLOUGHLIN | 14 | Ripley | 5:21.61 |
| 7 | 52 | Alice-Mae DOWNS | 14 | Co Lincoln P | 5:20.00 |
| 8 | 53 | Benjamin MASON | 17 | Newark | 5:12.00 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 54 | Tate FOX | 12 | Bircotes SC | 5:09.70 |
| 2 | 55 | Corey FARLEY | 14 | Deepings | 5:09.40 |
| 3 | 56 | Luke DAYBELL | 14 | Grantham | 5:05.85 |
| 4 | 57 | Aidan FITZGIBBON | 15 | Co Lincoln P | 5:02.81 |
| 5 | 58 | Oliver SHEPHERD | 14 | Deepings | 4:59.96 |
| 6 | 59 | Zara DIXON | 15 | Co Lincoln P | 4:51.69 |
| 7 | 60 | Thomas HEPPLESTONE | 17 | Co Lincoln P | 4:49.14 |
| 8 | 61 | Elena ALDENHOFF-KELLY | 14 | Grantham | 4:45.70 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 63 | Morgan FARRAR | 14 | Co Lincoln P | 4:44.32 |
| 2 | 66 | Gareth COCKS | 34 | Co Lincoln P | 4:40.00 |
| 3 | 68 | Jensen HYLTON | 15 | Co Lincoln P | 4:37.36 |
| 4 | 72 | Owen HATHWAY | 17 | Grantham | 4:17.40 |
| 5 | 70 | Zach HOPKINSON | 14 | Grantham | 4:34.16 |
| 6 | 67 | Grace TURNER | 16 | Grantham | 4:39.66 |
| 7 | 64 | Jacob FISH | 14 | Grantham | 4:42.73 |
| 8 | 62 | Daniel HEPPLESTONE | 13 | Co Lincoln P | 4:44.40 |