EVENT 207 Boy 10/12 Yrs 200m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Matas RABASAUSKAS | 12 | Grantham | |
| 3 | 2 | Connor SMITH | 11 | Grantham | |
| 4 | 3 | Noah SKINNER | 11 | Deepings | |
| 5 | 4 | James HUCKLE | 10 | Lincoln Vulc | |
| 6 | 5 | Ethan DERBY | 11 | Lincoln Vulc | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Noah DEWSNAP | 10 | Retford | |
| 2 | 7 | Thomas BURDOCK | 11 | Deepings | |
| 3 | 10 | Bobby THAIN | 11 | Skegness | |
| 4 | 11 | Jude BOUCH | 11 | Melton M'bry | |
| 5 | 12 | Corey HESTLETINE | 10 | Retford | |
| 6 | 13 | Jake HOLLIDAY | 11 | Retford | |
| 7 | 15 | Oliver TEE | 12 | Melton M'bry | |
| 8 | 16 | Lewis SNOWSHALL | 12 | Lincoln Vulc | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Themba LUNGU | 12 | Lincoln Vulc | |
| 2 | 18 | Robbie DUFF | 10 | Lincoln Vulc | |
| 3 | 19 | Samuel NICHOLS | 10 | Grantham | |
| 4 | 20 | Ben CARLYLE | 12 | Grantham | |
| 5 | 21 | Michael BUNN | 11 | Lincoln Vulc | |
| 6 | 22 | Seth NEWTON | 10 | Grantham | |
| 7 | 23 | Oscar DUTTON-LEE | 12 | Grantham | |
| 8 | 24 | Theo BACON | 11 | Grantham | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 26 | Daniel HUNT | 10 | Grantham | |
| 2 | 27 | Luca HALLAM | 10 | Grantham | |
| 3 | 28 | Zachary WILSON | 10 | Lincoln Vulc | |
| 4 | 30 | Jonathan GBYLICZEK | 10 | Lincoln Vulc | |
| 5 | 31 | Romeo PAYNE | 12 | Melton M'bry | |
| 6 | 32 | Fabian KOLASA | 11 | Grantham | |
| 7 | 34 | Kieron TOMS | 12 | Deepings | |
| 8 | 35 | Joel SADLER | 11 | Grantham | |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 36 | Finley WEST | 10 | Co Lincoln P | 5:00.00 |
| 2 | 37 | Reece TOMPSETT | 12 | Skegness | 4:56.56 |
| 3 | 38 | Kai WATSON | 10 | Deepings | 4:41.78 |
| 4 | 39 | Tristan EKE | 11 | Co Lincoln P | 4:30.00 |
| 5 | 40 | Harrison DEE | 12 | Skegness | 4:24.84 |
| 6 | 41 | Matt HALL | 11 | Deepings | 4:14.49 |
| 7 | 42 | Charlie BARKER | 11 | Deepings | 4:02.01 |
| 8 | 43 | Loui MAYNE | 11 | Melton M'bry | 4:01.65 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 44 | George GRIFFITHS | 11 | Melton M'bry | 4:01.26 |
| 2 | 46 | Reuben MEADOWS | 11 | Retford | 3:33.38 |
| 3 | 47 | Austin HUNT | 11 | Melton M'bry | 3:32.48 |
| 4 | 48 | Riley HAMER | 11 | Co Lincoln P | 3:30.00 |
| 5 | 49 | Oliver GARNER | 12 | Co Lincoln P | 3:30.00 |
| 6 | 50 | James CASH | 11 | Deepings | 3:28.82 |
| 7 | 52 | Luke DAYBELL | 12 | Grantham | 3:27.50 |
| 8 | 53 | Robert WASHBROOK | 12 | Lincoln Vulc | 3:27.25 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 55 | William BURDOCK | 12 | Deepings | 3:21.99 |
| 2 | 57 | Thomas COLLINS | 11 | Retford | 3:15.43 |
| 3 | 59 | C BUTTERELL-QUANBROUGH | 12 | Retford | 3:03.98 |
| 4 | 61 | Jacob FISH | 12 | Grantham | 2:40.15 |
| 5 | 60 | Samuel GREEN | 11 | Retford | 3:03.91 |
| 6 | 58 | Oliver SHEPHERD | 12 | Deepings | 3:05.22 |
| 7 | 56 | Adrian ELERTS | 12 | Grantham | 3:18.42 |
| 8 | 54 | Jacob GIFFORD | 11 | Lincoln Vulc | 3:25.87 |