EVENT 108 Boy/Girl 12 /Under 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Grace OLDHAM | 9 | Co Leeds | 1:08.80 |
| 2 | 4 | Archie RUSSELL | 10 | Co Leeds | 1:05.10 |
| 3 | 6 | Thomas PARKER | 9 | Co Leeds | 1:05.00 |
| 4 | 8 | Neve STAFFORD | 9 | Co Leeds | 1:03.70 |
| 5 | 7 | Evie COOK | 9 | Co Leeds | 1:04.50 |
| 6 | 5 | Barney HOBBS | 9 | Co Leeds | 1:05.10 |
| 7 | 3 | Marcus DENNIS | 9 | Co Leeds | 1:06.13 |
| 8 | 1 | James DEVERILL | 10 | Co Leeds | 1:11.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 10 | Daniel RAWLINGS | 9 | Co Leeds | 1:03.21 |
| 1 | 12 | Charlie BRADLEY | 10 | Co Leeds | 1:02.10 |
| 2 | 14 | Nicholas CASS | 12 | Bo Kirklees | 1:01.58 |
| 3 | 16 | Annabel HILTON | 9 | Co Leeds | 1:00.83 |
| 4 | 18 | Luke FEARNHEAD | 9 | Co Leeds | 1:00.00 |
| 5 | 17 | Evie THORPE | 10 | Co Leeds | 1:00.58 |
| 6 | 15 | Jacob DYER | 10 | Co Leeds | 1:01.51 |
| 7 | 13 | Solomon COFFEY-WILLS | 9 | Co Leeds | 1:02.08 |
| 8 | 11 | Matilda ROBERTS | 10 | Co Manch Aq | 1:02.52 |
| 9 | 9 | Nina KHAN | 9 | Co Leeds | 1:03.57 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 20 | Thyza DIMATULAC | 10 | York City | 1:00.00 |
| 1 | 22 | Ana BICKERS | 9 | Co Leeds | 1:00.00 |
| 2 | 24 | Max HASWELL | 9 | Co Leeds | 59.50 |
| 3 | 26 | Edward LUTAS | 11 | York City | 59.33 |
| 4 | 28 | Robyn DIAMANT | 10 | Co Leeds | 59.25 |
| 5 | 27 | Harry BAXTER | 10 | York City | 59.30 |
| 6 | 25 | Isabel REDBURN | 10 | Co Manch Aq | 59.47 |
| 7 | 23 | Zachary HOGG | 9 | Co Leeds | 59.99 |
| 8 | 21 | Tomas BICKERS | 10 | Co Leeds | 1:00.00 |
| 9 | 19 | Sarah BRADLEY | 10 | Co Leeds | 1:00.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 30 | George RICKETTS | 9 | Co Leeds | 58.92 |
| 1 | 32 | Ethan MEWSE | 11 | Co Leeds | 58.00 |
| 2 | 34 | Louis WALKER | 10 | Co Leeds | 57.69 |
| 3 | 36 | Olaf GRUDOWSKI | 10 | Co Leeds | 57.20 |
| 4 | 38 | Zoe FEATHER | 9 | Co Leeds | 56.55 |
| 5 | 37 | Isabelle READ | 10 | Co Leeds | 56.90 |
| 6 | 35 | Verity LILLEY | 10 | Co Leeds | 57.44 |
| 7 | 33 | Imogen O'BRIEN | 11 | Aquabears | 57.74 |
| 8 | 31 | Isabelle ROWLAND | 10 | Co Manch Aq | 58.30 |
| 9 | 29 | Oliver MASKELL | 9 | Co Leeds | 59.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 40 | Isabelle KIMPTON | 11 | Bo Barnsley | 56.10 |
| 1 | 42 | Ruby KEMP | 9 | Co Leeds | 55.80 |
| 2 | 44 | Ariana LEWIS | 10 | Co Manch Aq | 55.71 |
| 3 | 46 | Kian ROSE | 10 | Co Manch Aq | 55.10 |
| 4 | 48 | George JONES | 9 | Co Leeds | 54.63 |
| 5 | 47 | Mia GARSIDE | 10 | Bo Kirklees | 54.75 |
| 6 | 45 | Elspeth ARCHER | 9 | Co Manch Aq | 55.42 |
| 7 | 43 | William Jr LATHAM | 11 | Aquabears | 55.77 |
| 8 | 41 | Oscar HUSSEY | 10 | Co Leeds | 55.97 |
| 9 | 39 | Emma MCGARTY | 11 | Aquabears | 56.44 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 50 | Amelia MATSON | 10 | Co Leeds | 54.40 |
| 1 | 52 | Bo HARRAND | 11 | York City | 54.00 |
| 2 | 54 | Oliver BARKER | 9 | Co Leeds | 53.70 |
| 3 | 56 | Maya POGOREANU | 10 | Co Leeds | 53.54 |
| 4 | 58 | Eleanor YELLAND-BREWER | 11 | Bo Kirklees | 53.52 |
| 5 | 57 | Tristan CARRASCO RUIZ | 9 | Co Manch Aq | 53.53 |
| 6 | 55 | Raya PRODANOVA | 12 | Co Leeds | 53.67 |
| 7 | 53 | Oliver ATHA | 11 | Co Leeds | 53.80 |
| 8 | 51 | Oliver NEWEY | 10 | Bo Kirklees | 54.00 |
| 9 | 49 | Eva STOREY | 12 | Bo Kirklees | 54.51 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 60 | Olivia WINTERS | 9 | Co Leeds | 52.80 |
| 1 | 62 | Hogan LAM | 10 | Co Leeds | 52.60 |
| 2 | 64 | Noah DARNELL | 11 | Co Leeds | 52.40 |
| 3 | 66 | Grace O'HARA | 10 | Co Leeds | 52.00 |
| 4 | 68 | Stanley PARKER | 10 | Bo Kirklees | 51.74 |
| 5 | 67 | Angus YOUNG | 11 | Co Leeds | 51.90 |
| 6 | 65 | Jessica ROLLINGS | 10 | Co Leeds | 52.15 |
| 7 | 63 | Olivia BYRNE | 10 | Bo Barnsley | 52.50 |
| 8 | 61 | Layla BAKER | 11 | Bo Barnsley | 52.72 |
| 9 | 59 | Sophie BROWN | 12 | Bo Kirklees | 53.00 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 70 | Adrian ROGERS | 11 | Co Manch Aq | 51.57 |
| 1 | 72 | Rebecca FARNSWORTH | 11 | York City | 51.28 |
| 2 | 74 | Jack MITCHELL | 11 | Bo Kirklees | 51.00 |
| 3 | 76 | William DUNN | 11 | Co Leeds | 50.90 |
| 4 | 78 | Imogen HARSLEY | 11 | Co Leeds | 50.60 |
| 5 | 77 | Amy CHOULARTON | 11 | Co Manch Aq | 50.73 |
| 6 | 75 | Theo GILBERT | 9 | Co Leeds | 50.90 |
| 7 | 73 | James ANDREASEN | 12 | Co Leeds | 51.11 |
| 8 | 71 | Annabel LAMA | 11 | Co Manch Aq | 51.56 |
| 9 | 69 | Molly GARVEY | 12 | York City | 51.70 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 80 | Leo LI | 10 | Co Leeds | 50.30 |
| 1 | 82 | Paige BORLAND | 10 | Bo Kirklees | 50.01 |
| 2 | 84 | Isabella STOICESCU | 10 | Co Leeds | 49.92 |
| 3 | 86 | Emily SMITH | 12 | Co Manch Aq | 49.76 |
| 4 | 88 | Elizabeth BOND | 10 | Co Leeds | 49.60 |
| 5 | 87 | Erin BENTLEY | 11 | Co Leeds | 49.70 |
| 6 | 85 | John SOUTHALL | 12 | Bo Kirklees | 49.90 |
| 7 | 83 | Viktoria ANTONOV | 11 | York City | 50.00 |
| 8 | 81 | Evie-Rose TOPPING | 11 | Co Leeds | 50.20 |
| 9 | 79 | Evan CHAPMAN | 12 | York City | 50.55 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 90 | Candice CHAMBERS | 12 | Co Manch Aq | 49.44 |
| 1 | 92 | Daisy NEWSOME | 12 | Bo Kirklees | 49.35 |
| 2 | 94 | Zachary EDGE | 9 | Co Manch Aq | 49.06 |
| 3 | 96 | Sam BURTONWOOD | 12 | Bo Kirklees | 48.65 |
| 4 | 98 | Isabelle HALL | 12 | Aquabears | 48.53 |
| 5 | 97 | Ella COLEMAN | 11 | Co Leeds | 48.60 |
| 6 | 95 | Owen TEMPEST | 10 | Co Leeds | 48.80 |
| 7 | 93 | Daniel TEW | 11 | York City | 49.10 |
| 8 | 91 | Imogen HOBSON | 10 | Bo Kirklees | 49.42 |
| 9 | 89 | Max CLARK | 10 | Co Leeds | 49.60 |
| Heat Number - 11 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 100 | Scarlett FAGAN | 12 | Co Manch Aq | 48.40 |
| 1 | 102 | Oliver BARRETT | 11 | Co Leeds | 48.40 |
| 2 | 104 | Isla CALLARD | 12 | York City | 48.15 |
| 3 | 106 | Lily VEEVERS | 11 | Co Leeds | 48.10 |
| 4 | 108 | Elkie FOSTER | 11 | Co Leeds | 47.90 |
| 5 | 107 | Sarah MILLINGTON | 11 | Bo Kirklees | 47.93 |
| 6 | 105 | Layla MANSELL-SMITH | 11 | Co Leeds | 48.10 |
| 7 | 103 | Faye MATHIE | 11 | Co Leeds | 48.30 |
| 8 | 101 | Daisy GLOVER | 11 | Co Leeds | 48.40 |
| 9 | 99 | Millie TURNER | 12 | Bo Kirklees | 48.50 |
| Heat Number - 12 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 110 | Emily MCSEVENY | 11 | York City | 47.62 |
| 1 | 112 | India WILSON | 11 | York City | 47.40 |
| 2 | 114 | Helena TEALE | 11 | Bo Kirklees | 47.23 |
| 3 | 116 | Ruby MCCARTHY | 12 | Aquabears | 47.14 |
| 4 | 118 | Anna ALTUS MOR | 12 | York City | 47.05 |
| 5 | 117 | Emily MARRISON | 12 | Co Leeds | 47.10 |
| 6 | 115 | Jackson CLARKE | 12 | Co Leeds | 47.18 |
| 7 | 113 | Emilia ROBERTON | 11 | York City | 47.36 |
| 8 | 111 | Lily KNOWLES | 11 | Bo Barnsley | 47.44 |
| 9 | 109 | Isabelle HUSSEY | 12 | Wetherby | 47.82 |
| Heat Number - 13 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 120 | Kate JONES | 11 | Co Leeds | 46.82 |
| 1 | 122 | Koyi SO | 10 | Co Manch Aq | 46.80 |
| 2 | 124 | Isabella JUSTHAM | 12 | Co Leeds | 46.70 |
| 3 | 126 | Penelope DALLIMORE | 11 | Co Leeds | 46.40 |
| 4 | 128 | Reuben HARRISON | 12 | Co Leeds | 46.10 |
| 5 | 127 | Beatrice TOOTILL | 12 | Bo Kirklees | 46.36 |
| 6 | 125 | Daisy BRANNEN | 12 | Co Leeds | 46.41 |
| 7 | 123 | Edward WILLIAMS | 12 | Spenborough | 46.76 |
| 8 | 121 | Hannah BROWN | 12 | Co Leeds | 46.80 |
| 9 | 119 | Taya WINGFIELD | 11 | Co Leeds | 46.87 |
| Heat Number - 14 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 130 | Florence DIXON | 11 | Co Leeds | 45.54 |
| 1 | 132 | Emily BATTYE | 12 | Bo Kirklees | 45.32 |
| 2 | 134 | James THOMSON | 12 | Co Leeds | 45.20 |
| 3 | 136 | Isabelle HALL | 11 | Co Leeds | 45.10 |
| 4 | 138 | M AZANA-BALL | 11 | Co Leeds | 44.50 |
| 5 | 137 | Ava BRADLEY | 12 | Co Leeds | 44.98 |
| 6 | 135 | Eve PARKIN | 12 | York City | 45.12 |
| 7 | 133 | Joshua MCMILLAN | 11 | Co Leeds | 45.20 |
| 8 | 131 | Martha FIRTH | 12 | Bo Kirklees | 45.47 |
| 9 | 129 | Petronella HORNER | 12 | York City | 46.04 |
| Heat Number - 15 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 140 | Molly NORTON | 12 | Co Leeds | 44.45 |
| 1 | 142 | Dimosthenis MAGOULAS | 12 | Bo Barnsley | 44.30 |
| 2 | 144 | Freddie COOKE - SOUTH | 11 | Bo Barnsley | 43.79 |
| 3 | 146 | Mia TRAVIS-JONES | 12 | Co Leeds | 43.50 |
| 4 | 148 | Kathryn FLETCHER | 10 | Thirsk WH | 43.39 |
| 5 | 147 | Halo BENTLEY-HICKS | 11 | Co Leeds | 43.50 |
| 6 | 145 | Cordelia ROBERTS | 12 | Co Leeds | 43.70 |
| 7 | 143 | Mia MARSDEN | 12 | Bo Kirklees | 43.87 |
| 8 | 141 | Yining LU | 10 | Co Leeds | 44.43 |
| 9 | 139 | Seth JONES | 11 | Co Leeds | 44.50 |
| Heat Number - 16 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 150 | Lucas MORTON | 12 | Bo Barnsley | 42.40 |
| 1 | 152 | Connor MCCULLEN | 12 | Co Leeds | 42.10 |
| 2 | 154 | Amit MALTZ | 12 | Co Leeds | 42.10 |
| 3 | 156 | Jessica WOODS | 12 | Spenborough | 41.84 |
| 4 | 158 | Matei STOICESCU | 12 | Co Leeds | 40.90 |
| 5 | 157 | Georgina ROYCE | 12 | York City | 41.77 |
| 6 | 155 | Elizabeth WARNER | 11 | Co Leeds | 42.00 |
| 7 | 153 | Annabel EDWARDS | 11 | York City | 42.10 |
| 8 | 151 | Sophia THOM | 12 | York City | 42.38 |
| 9 | 149 | Annabel GALBRAITH | 11 | Co Leeds | 43.02 |
| Heat Number - 17 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 160 | Sky SO | 12 | Co Manch Aq | 40.30 |
| 1 | 162 | Shae BRYANT | 11 | Co Leeds | 39.80 |
| 2 | 164 | Eloise ANDREASEN | 12 | Co Leeds | 38.60 |
| 3 | 166 | Poppy PEARSON | 12 | Bo Barnsley | 37.90 |
| 4 | 168 | Harry TUPMAN | 12 | Bo Barnsley | 37.50 |
| 5 | 167 | Poppy NUTTMAN | 12 | Spenborough | 37.80 |
| 6 | 165 | Isabelle KING | 12 | Co Leeds | 38.50 |
| 7 | 163 | Abigail JAMES | 12 | York City | 39.50 |
| 8 | 161 | Patrick O'HARA | 12 | Co Leeds | 40.30 |
| 9 | 159 | Hayden LAM | 12 | Co Leeds | 40.50 |