EVENT 205 Boys Open 200m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Joshua MOSS | 11 | Tadcaster | 5:00.00 |
| 2 | 3 | Harry SENIOR | 10 | Co Leeds | 3:52.36 |
| 3 | 5 | Thomas MILNER | 9 | Co Leeds | 3:30.00 |
| 4 | 7 | Jamie BROADHURST | 10 | Co Leeds | 3:27.58 |
| 5 | 6 | Brody CLARK | 12 | Halifax | 3:30.00 |
| 6 | 4 | Maximus POTTER | 10 | Middlesboro | 3:47.00 |
| 7 | 2 | Miles KEARNS | 9 | Cleethorpes | 4:00.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 9 | Kourosh KHODAKHAH | 9 | Co Leeds | 3:25.42 |
| 1 | 11 | Matthew ROBERTS | 10 | Co Leeds | 3:25.00 |
| 2 | 13 | Isaac FAWCETT | 11 | Co Leeds | 3:23.62 |
| 3 | 15 | William BACON | 11 | Co Leeds | 3:23.00 |
| 4 | 17 | Jacob GOODWIN | 10 | Co Leeds | 3:20.00 |
| 5 | 16 | George KNOWLES | 11 | Co Leeds | 3:21.20 |
| 6 | 14 | Jacob SANDFORD | 10 | Halifax | 3:23.00 |
| 7 | 12 | Theodore ROSENBERG | 9 | Co Leeds | 3:25.00 |
| 8 | 10 | Nathan RADBOURNE | 9 | Co Leeds | 3:25.42 |
| 9 | 8 | Kieran BARTRAM | 10 | Co Leeds | 3:25.55 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 19 | Mathew BRADLEY | 10 | Cleethorpes | 3:17.50 |
| 1 | 21 | Joseph MOMENT | 10 | Scarborough | 3:10.39 |
| 2 | 23 | Ashton DEES | 10 | Co Leeds | 3:09.57 |
| 3 | 25 | Tyler MAGUIRE-THORNTON | 12 | Oldham Aqua | 3:08.40 |
| 4 | 27 | Thomas SPENCER | 11 | Co Leeds | 3:06.70 |
| 5 | 26 | Ziggy STANDRING | 10 | Oldham Aqua | 3:07.30 |
| 6 | 24 | Thomas BERGMANN | 11 | Sheffield C | 3:08.72 |
| 7 | 22 | Dominic MATHIAS | 11 | Co Leeds | 3:10.25 |
| 8 | 20 | Jordan COOPER-SMITH | 15 | BelperMarlin | 3:12.82 |
| 9 | 18 | Jack MOCZARSKI | 9 | Cleethorpes | 3:17.88 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 29 | James HUDSON | 11 | Co Leeds | 3:05.75 |
| 1 | 31 | Finlay BUXTON | 11 | Cleethorpes | 3:03.30 |
| 2 | 33 | Elliott WATKINS | 11 | Co Leeds | 3:01.60 |
| 3 | 35 | Ethan ROBERTS-CUTTS | 12 | Stocksbridge | 2:55.50 |
| 4 | 37 | Luke METCALFE | 16 | Co Leeds | 2:52.09 |
| 5 | 36 | Harry MILNER | 12 | Co Leeds | 2:53.91 |
| 6 | 34 | Henry FIRTH | 11 | Co Leeds | 3:01.13 |
| 7 | 32 | James ROBINSON | 11 | Co Leeds | 3:02.10 |
| 8 | 30 | RIO DAODU | 9 | Cleethorpes | 3:05.07 |
| 9 | 28 | Rhys RIDDIFORD | 11 | Co Leeds | 3:06.10 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 39 | Matthew JACKSON | 13 | Co Leeds | 2:49.50 |
| 1 | 41 | Toma SAHA | 11 | Middlesboro | 2:47.90 |
| 2 | 43 | Harrison LEE | 12 | Co Wakefield | 2:46.70 |
| 3 | 45 | Robert WELLS | 14 | Cleethorpes | 2:43.73 |
| 4 | 47 | Matthew KENNETH | 15 | Skipton | 2:38.96 |
| 5 | 46 | Chase DARBY | 12 | Middlesboro | 2:43.40 |
| 6 | 44 | Joseph TURNER | 14 | Co Leeds | 2:46.06 |
| 7 | 42 | Charlie BROOME | 12 | Co Leeds | 2:47.00 |
| 8 | 40 | Fenn CURRAN | 12 | Skipton | 2:49.10 |
| 9 | 38 | Emilio PANIAGUA-GUTIER | 12 | Co Leeds | 2:50.50 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 49 | Jake LAMBERT | 15 | Co Leeds | 2:38.05 |
| 1 | 51 | Kieran SUMMERS | 13 | Scunthorpe A | 2:35.70 |
| 2 | 53 | Jamie BROOME | 14 | Co Leeds | 2:35.51 |
| 3 | 55 | Declan SEQUEIRA | 14 | Skipton | 2:32.90 |
| 4 | 57 | Matthew YEOMANS | 14 | Co Leeds | 2:31.89 |
| 5 | 56 | Rhys DODDS | 18 | Bev Barracud | 2:32.90 |
| 6 | 54 | Thomas CARSWELL | 16 | Tadcaster | 2:34.90 |
| 7 | 52 | Benjamin BROOKS | 15 | Co Leeds | 2:35.64 |
| 8 | 50 | Curtis HARPER | 11 | Bo Barnsley | 2:37.80 |
| 9 | 48 | Safwan SHAIKH | 13 | Co Leeds | 2:38.46 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 59 | Jack WHITEHURST | 15 | Rotherham Mo | 2:31.70 |
| 1 | 61 | Ehren BERESFORD | 16 | Rotherham Mo | 2:28.20 |
| 2 | 63 | Cade DARBY | 14 | Middlesboro | 2:27.40 |
| 3 | 65 | Jack CASSELL | 16 | Middlesboro | 2:16.20 |
| 4 | 67 | Nathan WOOD | 16 | Cleethorpes | 2:13.92 |
| 5 | 66 | Devin KELLETT | 18 | Stocksbridge | 2:15.80 |
| 6 | 64 | Joshua TURVER | 16 | Rotherham Mo | 2:21.70 |
| 7 | 62 | Samuel KING | 14 | Skipton | 2:27.55 |
| 8 | 60 | Ned SHARP | 13 | Skipton | 2:30.90 |
| 9 | 58 | Luke MIDGLEY | 14 | Skipton | 2:31.80 |