EVENT 501 Open/Male 10 /Over 200m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Malin FYSON | 11 | South Lincs | 3:19.16 |
| 3 | 4 | Toby EDMONDSON | 10 | Grantham | 3:14.86 |
| 4 | 7 | Bertie ROSE | 11 | Lincoln Vulc | 3:02.87 |
| 5 | 5 | Thomas VERE | 10 | South Lincs | 3:07.31 |
| 6 | 3 | Henry DOLAN | 11 | Grantham | 3:14.91 |
| 7 | 1 | Kai HILAROWICZ | 11 | Co Lincoln P | 3:20.99 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Henry WILLERTON | 11 | Boston | 2:57.44 |
| 2 | 11 | Oscar WOOD | 11 | Lincoln Vulc | 2:53.64 |
| 3 | 13 | Joshua KIM | 12 | Grantham | 2:51.98 |
| 4 | 15 | Zachary WILSON | 12 | Lincoln Vulc | 2:51.07 |
| 5 | 14 | Stanley THURLOW | 12 | Lincoln Vulc | 2:51.97 |
| 6 | 12 | Samuel NICHOLS | 12 | Grantham | 2:53.45 |
| 7 | 10 | Bobby WALLIS | 12 | Co Lincoln P | 2:53.80 |
| 8 | 8 | Thomas HILLSON | 11 | Grantham | 2:59.80 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Oliver CLARKE | 12 | Deepings | 2:44.97 |
| 2 | 19 | Dan PALMER | 11 | Co Lincoln P | 2:36.72 |
| 3 | 21 | Henry MASON-SMITH | 13 | Louth | 2:30.99 |
| 4 | 23 | Francesco MONACO | 12 | South Lincs | 2:27.41 |
| 5 | 22 | Henry SEAGROATT | 13 | Louth | 2:29.27 |
| 6 | 20 | Oliver WILKINSON | 12 | Lincoln Vulc | 2:32.66 |
| 7 | 18 | Cole COOPER | 12 | Co Lincoln P | 2:37.73 |
| 8 | 16 | Luca HALLAM | 12 | Grantham | 2:47.47 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 26 | James HUCKLE | 13 | Lincoln Vulc | 2:24.11 |
| 2 | 28 | Riley HAMER | 14 | Co Lincoln P | 2:21.67 |
| 3 | 30 | Kieran LUCY | 14 | South Lincs | 2:20.68 |
| 4 | 32 | Charlie BISBY | 13 | South Lincs | 2:19.40 |
| 5 | 31 | Charlie WARD | 14 | South Lincs | 2:20.03 |
| 6 | 29 | Oliver GARNER | 14 | Co Lincoln P | 2:21.29 |
| 7 | 27 | Aaron SADLER | 14 | South Lincs | 2:22.27 |
| 8 | 25 | James THOMAS | 14 | Gainsborough | 2:25.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 34 | Luke DAYBELL | 15 | Grantham | 2:18.70 |
| 2 | 36 | Matthew TOMPKINSON | 15 | Louth | 2:17.64 |
| 3 | 38 | Lucas NEWBOULT | 15 | Lincoln Vulc | 2:14.94 |
| 4 | 40 | Oliver SEALEY | 16 | Louth | 2:14.46 |
| 5 | 39 | William VERE | 15 | South Lincs | 2:14.94 |
| 6 | 37 | Benjamin DERBY | 16 | Lincoln Vulc | 2:16.69 |
| 7 | 35 | Jacob HEGG | 14 | Lincoln Vulc | 2:18.25 |
| 8 | 33 | James CASH | 14 | Deepings | 2:18.96 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 42 | Archie FRENCH | 15 | Lincoln Vulc | 2:13.61 |
| 2 | 44 | Leon BAILEY | 18 | Louth | 2:12.85 |
| 3 | 46 | Jacob BRIERS | 16 | Deepings | 2:12.68 |
| 4 | 48 | Jacob FISH | 15 | Grantham | 2:11.77 |
| 5 | 47 | Layton ANNISON-SNOWDEN | 15 | Louth | 2:12.56 |
| 6 | 45 | Daniel HEPPLESTONE | 14 | Co Lincoln P | 2:12.73 |
| 7 | 43 | Aidan FITZGIBBON | 16 | Co Lincoln P | 2:13.30 |
| 8 | 41 | Oliver JONES | 15 | Lincoln Vulc | 2:14.15 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 50 | Zach HOPKINSON | 15 | Grantham | 2:08.50 |
| 2 | 52 | Morgan FARRAR | 15 | Co Lincoln P | 2:08.11 |
| 3 | 54 | Jake ADAMS | 17 | Louth | 2:07.84 |
| 4 | 56 | Christian O'MALLEY | 18 | Lincoln Vulc | 2:06.08 |
| 5 | 55 | Ryan NORTON | 17 | Boston | 2:06.51 |
| 6 | 53 | Jamie GREEN | 19 | Co Lincoln P | 2:08.06 |
| 7 | 51 | Thomas GREEN | 24 | Co Lincoln P | 2:08.42 |
| 8 | 49 | Evan NOORPURI | 17 | Lincoln Vulc | 2:11.20 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 59 | Jensen HYLTON | 16 | Co Lincoln P | 2:04.39 |
| 2 | 61 | Owen HATHWAY | 18 | Grantham | 2:02.08 |
| 3 | 63 | Ewan COX | 16 | Co Lincoln P | 2:00.27 |
| 4 | 65 | Joseph PARNELL | 17 | Co Lincoln P | 1:57.40 |
| 5 | 64 | Thomas BRUCE | 18 | South Lincs | 1:59.82 |
| 6 | 62 | Oscar GOLDSMITH | 16 | South Lincs | 2:00.30 |
| 7 | 60 | Alex SADLER | 17 | South Lincs | 2:02.50 |
| 8 | 57 | Joshua CLARKE | 16 | Grantham | 2:06.02 |