EVENT 308 Boy/Girl 13 /Over 50m Breaststroke - Heats
| Heat Number - 1 | 
| Lane | Comp.No. | Name | AaD | Club | Time | 
| 0 | 2 | Ruby BANNISTER | 13 | Conwy | 50.38 | 
| 1 | 4 | Elliot GRIFFITHS | 13 | Co Manch Aq | 48.84 | 
| 2 | 6 | Mya MCHALE | 13 | Co Leeds | 48.00 | 
| 3 | 8 | Ella-May HASTINGS | 13 | Conwy | 47.30 | 
| 4 | 10 | Matthew PARKER | 14 | Conwy | 45.75 | 
| 5 | 9 | Oliver BROMPTON | 13 | Co Leeds | 46.03 | 
| 6 | 7 | Ruby WARD | 14 | Conwy | 47.37 | 
| 7 | 5 | Amelie PASQUIER | 13 | Co Manch Aq | 48.40 | 
| 8 | 3 | Isabelle VENDY | 14 | Co Manch Aq | 50.23 | 
| 9 | 1 | Ellen TOAL | 13 | Co Manch Aq | 50.60 | 
 
| Heat Number - 2 | 
| Lane | Comp.No. | Name | AaD | Club | Time | 
| 0 | 12 | Harriet NEWTON | 14 | Co Manch Aq | 44.27 | 
| 1 | 14 | Ellie ROWSON | 13 | York City | 43.00 | 
| 2 | 16 | Matthew JAMES | 13 | Co Leeds | 42.44 | 
| 3 | 19 | Emma WOOD | 13 | Co Leeds | 41.05 | 
| 4 | 21 | Libby MORRISON | 14 | York City | 40.68 | 
| 5 | 20 | Amy PICKARD | 16 | Co Leeds | 40.70 | 
| 6 | 18 | Ella MCDERMOTT | 13 | Co Leeds | 42.03 | 
| 7 | 15 | Mae JOHNSTONE | 14 | Co Leeds | 42.50 | 
| 8 | 13 | Tristan PEMBERTON | 14 | York City | 43.01 | 
| 9 | 11 | Lucas PIERCY | 13 | Co Leeds | 44.66 | 
 
| Heat Number - 3 | 
| Lane | Comp.No. | Name | AaD | Club | Time | 
| 0 | 23 | Annabelle LOFT | 13 | York City | 40.44 | 
| 1 | 26 | Filip SZWARNOG | 14 | Conwy | 39.43 | 
| 2 | 28 | Ethan LORD | 13 | Spenborough | 38.94 | 
| 3 | 30 | Ellis ANDERSON | 14 | Conwy | 38.71 | 
| 4 | 32 | Beth HARTWELL | 17 | Co Manch Aq | 37.60 | 
| 5 | 31 | Matthew JUST | 13 | Co Leeds | 38.40 | 
| 6 | 29 | Shea WHITELEY | 14 | Co Manch Aq | 38.80 | 
| 7 | 27 | Karis BLAKE | 17 | Co Manch Aq | 39.30 | 
| 8 | 25 | Rosie NICHOLSON | 13 | Co Manch Aq | 40.00 | 
| 9 | 22 | Zach CROWTHER | 13 | Co Leeds | 40.48 | 
 
| Heat Number - 4 | 
| Lane | Comp.No. | Name | AaD | Club | Time | 
| 0 | 34 | Grace ROWBOTHAM-KEATIN | 13 | Co Manch Aq | 37.52 | 
| 1 | 36 | Charlotte SHAW | 13 | Co Leeds | 37.14 | 
| 2 | 38 | Sophia QUINNELL | 15 | York City | 36.06 | 
| 3 | 40 | Denisa-Elena GOGU | 23 | Co Manch Aq | 34.50 | 
| 4 | 42 | Caitlin LANSOM | 16 | Co Manch Aq | 34.00 | 
| 5 | 41 | Owen WHITELEY | 14 | Co Manch Aq | 34.40 | 
| 6 | 39 | Mia BOYLE | 17 | York City | 35.87 | 
| 7 | 37 | Jamie BLEANCH | 14 | York City | 36.48 | 
| 8 | 35 | Daniel RANSOM | 13 | Co Leeds | 37.33 | 
| 9 | 33 | Lewis GILBERT | 13 | Co Manch Aq | 37.55 | 
 
| Heat Number - 5 | 
| Lane | Comp.No. | Name | AaD | Club | Time | 
| 0 | 44 | Eber CLAYTON | 15 | Co Manch Aq | 33.77 | 
| 1 | 46 | Ashley DONALDSON | 17 | Altrincham | 33.09 | 
| 2 | 48 | Lucy CANNAVAN | 17 | Co Manch Aq | 32.70 | 
| 3 | 51 | Dan KINSELLA | 18 | Co Manch Aq | 30.60 | 
| 4 | 53 | James BLABY | 23 | East Leeds | 29.00 | 
| 5 | 52 | Toby RANSON | 17 | Co Manch Aq | 30.15 | 
| 6 | 50 | Jake REYNOLDS | 17 | Blackburn | 30.89 | 
| 7 | 47 | James PENNINGTON | 17 | Altrincham | 32.94 | 
| 8 | 45 | Ellis LONGWORTH | 14 | Conwy | 33.22 | 
| 9 | 43 | Samuel PICKUP | 17 | York City | 33.78 |