EVENT 205 Boy/Girl 12 /Under 200m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 2 | Leo LI | 10 | Co Leeds | 3:59.60 |
| 1 | 4 | Kian ROSE | 10 | Co Manch Aq | 3:51.07 |
| 2 | 6 | Abigail EVANS | 12 | York City | 3:50.00 |
| 3 | 8 | Harry DIXON | 9 | Co Leeds | 3:45.00 |
| 4 | 10 | Verity LILLEY | 10 | Co Leeds | 3:30.00 |
| 5 | 9 | Callum FOZARD | 11 | Co Leeds | 3:40.00 |
| 6 | 7 | Oliver MASKELL | 9 | Co Leeds | 3:50.00 |
| 7 | 5 | Glorianna MOYNIHAN | 10 | Co Manch Aq | 3:50.11 |
| 8 | 3 | James DEVERILL | 10 | Co Leeds | 3:52.30 |
| 9 | 1 | Ariana LEWIS | 10 | Co Manch Aq | 4:12.62 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 12 | Demilade AYEMOWA | 12 | Co Leeds | 3:25.00 |
| 1 | 14 | Thomas HORNE | 11 | Co Leeds | 3:20.80 |
| 2 | 16 | Paige BORLAND | 10 | Bo Kirklees | 3:19.03 |
| 3 | 18 | Hiu Ching CHAN | 12 | York City | 3:17.00 |
| 4 | 20 | Amelia MATSON | 10 | Co Leeds | 3:15.80 |
| 5 | 19 | Alexander YATES | 12 | York City | 3:16.00 |
| 6 | 17 | James ASHCROFT | 10 | Co Leeds | 3:17.40 |
| 7 | 15 | Ruby KEMP | 9 | Co Leeds | 3:19.30 |
| 8 | 13 | Poppy GILBERT | 9 | Co Leeds | 3:21.30 |
| 9 | 11 | Mia THOMSON | 10 | Co Leeds | 3:27.80 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 22 | Elspeth KNOWLES | 12 | Co Leeds | 3:14.90 |
| 1 | 24 | Adrian ROGERS | 11 | Co Manch Aq | 3:11.53 |
| 2 | 26 | Rebecca FARNSWORTH | 11 | York City | 3:10.00 |
| 3 | 28 | Emilia ROBERTON | 11 | York City | 3:08.66 |
| 4 | 30 | Emily ROWE | 11 | Co Manch Aq | 3:05.69 |
| 5 | 29 | Esme OSTERRITTER | 11 | Halstead | 3:07.12 |
| 6 | 27 | Thomas HALL | 12 | Co Manch Aq | 3:09.30 |
| 7 | 25 | Zachary EDGE | 9 | Co Manch Aq | 3:10.05 |
| 8 | 23 | Stellan MCDONALD | 12 | Bo Kirklees | 3:12.96 |
| 9 | 21 | Amelie COTTERILL | 10 | Co Leeds | 3:15.70 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 33 | Samantha TAYLOR | 11 | York City | 3:03.00 |
| 1 | 35 | Hudson SMITH | 11 | Co Leeds | 3:01.10 |
| 2 | 37 | Connor MCCULLEN | 12 | Co Leeds | 2:59.60 |
| 3 | 39 | Ellie AKHTAR | 12 | Co Leeds | 2:57.80 |
| 4 | 41 | M AZANA-BALL | 11 | Co Leeds | 2:55.00 |
| 5 | 40 | Carolina ALVAREZ ODELL | 12 | York City | 2:56.33 |
| 6 | 38 | Halo BENTLEY-HICKS | 11 | Co Leeds | 2:59.10 |
| 7 | 36 | Amit MALTZ | 12 | Co Leeds | 3:00.00 |
| 8 | 34 | Reggie SPENCE | 12 | Co Leeds | 3:01.30 |
| 9 | 32 | India WILSON | 11 | York City | 3:03.90 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 43 | Ruby MCCARTHY | 12 | Aquabears | 2:53.16 |
| 1 | 45 | Lucas MORTON | 12 | Bo Barnsley | 2:50.60 |
| 2 | 47 | Patrick O'HARA | 12 | Co Leeds | 2:48.80 |
| 3 | 49 | Mia TRAVIS-JONES | 12 | Co Leeds | 2:45.00 |
| 4 | 51 | Eve PARKIN | 12 | York City | 2:37.00 |
| 5 | 50 | Jessica WOODS | 12 | Spenborough | 2:43.90 |
| 6 | 48 | Matei STOICESCU | 12 | Co Leeds | 2:45.20 |
| 7 | 46 | Isabelle KING | 12 | Co Leeds | 2:49.70 |
| 8 | 44 | Reuben HARRISON | 12 | Co Leeds | 2:52.30 |
| 9 | 42 | Jackson CLARKE | 12 | Co Leeds | 2:54.40 |