| Place | Name | AaD | Club | Time | FINA Pt | ||||
| 1. | Ashton HUNTER | 9 | Deepings | 44.05 | 128 | ||||
| 2. | Joshua OWEN | 9 | Melton M'bry | 47.57 | 101 | ||||
| 3. | Oliver CLARKE | 9 | Deepings | 50.39 | 85 | ||||
| 4. | Zak BATES | 9 | Melton M'bry | 51.61 | 79 | ||||
| 5. | Dan PALMER | 9 | Co Lincoln P | 52.84 | 74 | ||||
| 6. | Elliot GLEAVE | 9 | Grantham | 59.69 | 51 | ||||
| 7. | Isacc DONALDSON | 9 | Deepings | 1:00.42 | 49 | ||||
| 8. | Benjamin GODDARD | 9 | Grantham | 1:04.07 | 41 |
| Place | Name | AaD | Club | Time | FINA Pt | ||||
| 1. | James HUCKLE | 10 | Lincoln Vulc | 41.42 | 154 | ||||
| 2. | Noah DEWSNAP | 10 | Retford | 42.34 | 144 | ||||
| 3. | Robbie DUFF | 10 | Lincoln Vulc | 44.40 | 125 | ||||
| 4. | Luca HALLAM | 10 | Grantham | 45.63 | 115 | ||||
| 5. | Zachary WILSON | 10 | Lincoln Vulc | 47.73 | 100 | ||||
| 6. | Corey HESTLETINE | 10 | Retford | 48.56 | 95 | ||||
| 7. | Jonathan GBYLICZEK | 10 | Lincoln Vulc | 49.00 | 93 | ||||
| 8. | Seth NEWTON | 10 | Grantham | 49.80 | 88 | ||||
| 9. | Samuel NICHOLS | 10 | Grantham | 50.48 | 85 | ||||
| 10. | Kai WATSON | 10 | Deepings | 50.53 | 85 | ||||
| 11. | Finley WEST | 10 | Co Lincoln P | 53.19 | 72 | ||||
| 12. | Daniel HUNT | 10 | Grantham | 54.62 | 67 |
| Place | Name | AaD | Club | Time | FINA Pt | ||||
| 1. | Samuel GREEN | 11 | Retford | 36.67 | 222 | ||||
| 2. | James CASH | 11 | Deepings | 37.73 | 204 | ||||
| 3. | Riley HAMER | 11 | Co Lincoln P | 38.69 | 189 | ||||
| 4. | Jacob GIFFORD | 11 | Lincoln Vulc | 39.33 | 180 | ||||
| 5. | Thomas COLLINS | 11 | Retford | 39.46 | 178 | ||||
| 6. | Reuben MEADOWS | 11 | Retford | 39.90 | 172 | ||||
| 7. | Theo BACON | 11 | Grantham | 42.11 | 146 | ||||
| 8. | Connor SMITH | 11 | Grantham | 43.18 | 136 | ||||
| 9. | Jude BOUCH | 11 | Melton M'bry | 43.23 | 135 | ||||
| 10. | Joel SADLER | 11 | Grantham | 43.35 | 134 | ||||
| 11. | Oscar DURANT | 11 | Grantham | 43.76 | 130 | ||||
| 12. | Ethan DERBY | 11 | Lincoln Vulc | 45.78 | 114 | ||||
| 13. | Michael BUNN | 11 | Lincoln Vulc | 46.69 | 107 | ||||
| 14. | Joshua HALL | 11 | Lincoln Vulc | 48.93 | 93 | ||||
| 15. | Jacob LITTLEWOOD | 11 | Melton M'bry | 50.29 | 86 | ||||
| 16. | Bobby THAIN | 11 | Skegness | 51.57 | 79 | ||||
| 17. | Noah SKINNER | 11 | Deepings | 53.08 | 73 | ||||
| Loui MAYNE | 11 | Melton M'bry | DNC | ||||||
| Jake HOLLIDAY | 11 | Retford | DNC | ||||||
| Charlie BARKER | 11 | Deepings | DNC | ||||||
| Matt HALL | 11 | Deepings | DNC |
| Place | Name | AaD | Club | Time | FINA Pt | ||||
| 1. | Jacob FISH | 12 | Grantham | 33.40 | 294 | ||||
| 2. | C BUTTERELL-QUANBROUGH | 12 | Retford | 36.06 | 233 | ||||
| 3. | Oliver SHEPHERD | 12 | Deepings | 38.28 | 195 | ||||
| 4. | Oliver GARNER | 12 | Co Lincoln P | 38.81 | 187 | ||||
| 5. | Luke DAYBELL | 12 | Grantham | 39.61 | 176 | ||||
| 6. | William BURDOCK | 12 | Deepings | 40.00 | 171 | ||||
| 7. | Romeo PAYNE | 12 | Melton M'bry | 40.88 | 160 | ||||
| 8. | Lewis SNOWSHALL | 12 | Lincoln Vulc | 40.89 | 160 | ||||
| 9. | Ben CARLYLE | 12 | Grantham | 40.97 | 159 | ||||
| 10. | Adrian ELERTS | 12 | Grantham | 41.01 | 159 | ||||
| 11. | Robert WASHBROOK | 12 | Lincoln Vulc | 41.51 | 153 | ||||
| 12. | Themba LUNGU | 12 | Lincoln Vulc | 42.36 | 144 | ||||
| 13. | Benjamin NEWBERY | 12 | Melton M'bry | 42.51 | 142 | ||||
| 14. | Harrison DEE | 12 | Skegness | 43.28 | 135 | ||||
| 15. | Austin TOMLIN | 12 | Lincoln Vulc | 46.20 | 111 | ||||
| 16. | Matas RABASAUSKAS | 12 | Grantham | 47.18 | 104 | ||||
| 17. | Reece TOMPSETT | 12 | Skegness | 47.63 | 101 | ||||
| 18. | Kieron TOMS | 12 | Deepings | 55.29 | 64 | ||||
| Oliver TEE | 12 | Melton M'bry | DQ T 1L |