EVENT 101 Men/Women 10 Yrs/Over 1500m Free. - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Molly CRAUGHAN | 11 | Lincoln Vulc | 28:00.00 |
| 2 | 2 | Angelina BALLARD | 11 | Lincoln Vulc | 28:00.00 |
| 3 | 3 | Sebastian BRIGGS | 13 | Swadlincote | 27:00.47 |
| 4 | 4 | George LEONARD | 11 | Grantham | 25:45.00 |
| 5 | 5 | Leo BARNETT | 11 | Grantham | 25:45.00 |
| 6 | 6 | Annie WEBSTER | 11 | Grantham | 25:45.00 |
| 7 | 7 | Joshua KIM | 10 | Grantham | 25:45.00 |
| 8 | 8 | Elisabeth KINNEAR | 13 | Grantham | 25:45.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Lucy WILLATTS | 12 | Grantham | 25:44.43 |
| 2 | 10 | Amy TAYLOR | 12 | Grantham | 25:33.09 |
| 3 | 11 | Aydrian COPE | 14 | Ripley | 25:01.02 |
| 4 | 12 | Luca HALLAM | 11 | Grantham | 24:45.00 |
| 5 | 13 | Ellena HOWITT | 12 | Grantham | 24:31.08 |
| 6 | 14 | Laura HARDY | 39 | Deepings | 24:26.00 |
| 7 | 15 | Chelsea TODD | 13 | Lincoln Vulc | 24:07.90 |
| 8 | 16 | Daniel PEARSON | 35 | Boston | 24:05.14 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Iris FRENCH | 13 | Lincoln Vulc | 24:05.05 |
| 2 | 18 | Sascha NEL | 13 | Grantham | 24:00.00 |
| 3 | 19 | Emily HUNT | 13 | Lincoln Vulc | 24:00.00 |
| 4 | 20 | Charlotte TURNER | 13 | Lincoln Vulc | 23:59.62 |
| 5 | 21 | Maisie ASMAN | 13 | Lincoln Vulc | 23:50.00 |
| 6 | 22 | Oscar DURANT | 12 | Grantham | 23:30.00 |
| 7 | 23 | Isla SCOTT | 12 | Lincoln Vulc | 23:00.00 |
| 8 | 24 | Ella BLACKBOURN | 15 | Lincoln Vulc | 23:00.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Brooke HEMMINGS | 14 | Lincoln Vulc | 23:00.00 |
| 2 | 26 | Stanley THURLOW | 11 | Lincoln Vulc | 23:00.00 |
| 3 | 27 | Grace HOWITT | 14 | Grantham | 22:55.98 |
| 4 | 28 | Erin NORTON | 13 | Boston | 22:39.00 |
| 5 | 29 | Isobel ALLSOP | 13 | Grantham | 22:30.00 |
| 6 | 30 | Harriet MCCORMACK | 13 | Grantham | 22:23.30 |
| 7 | 31 | Jessica-Rose DAVISON | 14 | Grantham | 22:15.00 |
| 8 | 32 | Amelia HATHWAY | 14 | Grantham | 22:09.78 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 33 | Lea HILAROWICZ | 15 | Co Lincoln P | 22:00.00 |
| 2 | 34 | Emma ARTHUR | 15 | Co Lincoln P | 22:00.00 |
| 3 | 35 | Luke DAYBELL | 14 | Grantham | 21:51.36 |
| 4 | 36 | Imogen FORRESTER | 14 | Deben | 21:46.44 |
| 5 | 37 | Lucy LOVETT | 16 | Lincoln Vulc | 21:23.25 |
| 6 | 38 | Anna SIMMONS | 15 | Lincoln Vulc | 21:20.78 |
| 7 | 39 | Rose BENSON | 13 | Co Milton K | 21:11.81 |
| 8 | 40 | James HUCKLE | 11 | Lincoln Vulc | 21:02.60 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 41 | Benjamin DERBY | 14 | Lincoln Vulc | 21:00.00 |
| 2 | 42 | Sophie WARD | 14 | Grantham | 20:57.10 |
| 3 | 43 | Megan LAMB | 14 | Lincoln Vulc | 20:50.48 |
| 4 | 44 | Sophie MARSHALL | 18 | Co Lincoln P | 20:48.40 |
| 5 | 45 | Emily TALKES | 11 | Lincoln Vulc | 20:30.00 |
| 6 | 46 | Jack HICKS | 13 | Lincoln Vulc | 20:30.00 |
| 7 | 47 | Harry VICKERS | 15 | Lincoln Vulc | 20:06.51 |
| 8 | 48 | Liv SPENCER | 17 | Lincoln Vulc | 20:06.17 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 49 | Megan BROWN | 13 | Grantham | 20:01.59 |
| 2 | 50 | Archie FRENCH | 14 | Lincoln Vulc | 19:46.00 |
| 3 | 51 | Daniel DEGNAN | 15 | Grantham | 19:38.39 |
| 4 | 52 | Rosie HICKS | 16 | Lincoln Vulc | 19:35.23 |
| 5 | 53 | Gareth COCKS | 34 | Co Lincoln P | 19:30.00 |
| 6 | 54 | James CASH | 13 | Deepings | 19:30.00 |
| 7 | 55 | Elena ALDENHOFF-KELLY | 14 | Grantham | 19:06.90 |
| 8 | 56 | Zara DIXON | 15 | Co Lincoln P | 19:01.84 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 58 | Grace MACDONALD | 14 | Grantham | 18:31.67 |
| 2 | 60 | Francesca HALLAM-STOTT | 16 | Grantham | 18:15.65 |
| 3 | 62 | Ryan NORTON | 16 | Boston | 17:59.03 |
| 4 | 64 | Owen HATHWAY | 17 | Grantham | 16:54.90 |
| 5 | 63 | Joshua CLARKE | 15 | Grantham | 17:30.48 |
| 6 | 61 | Zach HOPKINSON | 14 | Grantham | 18:08.40 |
| 7 | 59 | Calyssa BRADSHAW | 14 | Black Lion | 18:30.00 |
| 8 | 57 | Grace TURNER | 16 | Grantham | 18:32.61 |