EVENT 302 Mens Open 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 2 | Owen WOODROW | 18 | S8 | Co Norwich | 1:22.90 |
| 2 | 4 | Ashley HOLNESS-WRIGHT | 23 | | Watford SC | 1:03.94 |
| 3 | 6 | James ROWLEY | 14 | | Deben | 1:03.80 |
| 4 | 8 | Syd ROBERTS | 15 | | Colchester | 1:03.58 |
| 5 | 7 | Jack RICHARDSON | 16 | | DunmowAtlant | 1:03.59 |
| 6 | 5 | Joseph WELLS | 20 | | West Norfolk | 1:03.94 |
| 7 | 3 | Aidan PILCHER | 14 | | teamipswich | 1:04.17 |
| 8 | 1 | Lachlan MACBETH | 26 | S14 | Runnymede | 1:30.46 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 10 | Zane BATT | 16 | | Hoddesdon | 1:03.50 |
| 2 | 12 | Robbie BRINDLEY | 15 | | West Suffolk | 1:03.43 |
| 3 | 14 | Marcus KEMP | 18 | | Watford SC | 1:03.36 |
| 4 | 16 | Ketan RACH | 15 | | Watford SC | 1:03.30 |
| 5 | 15 | Ethan MARTIN | 14 | | Thurrock | 1:03.30 |
| 6 | 13 | Marin DE VILLARD | 14 | | St Felix Sch | 1:03.40 |
| 7 | 11 | Joseph MCGILLIVRAY | 14 | | Co Norwich | 1:03.50 |
| 8 | 9 | Connor WALKER | 15 | | Co Peterboro | 1:03.55 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 18 | Luke PESTAILLE | 16 | | Hatfield | 1:03.23 |
| 2 | 20 | Oskar FARKAS | 14 | | Co Cambridge | 1:03.19 |
| 3 | 22 | Charlie KING | 16 | | Co St Albans | 1:02.91 |
| 4 | 24 | Samuel MILLER | 16 | | Basildon Ph | 1:02.57 |
| 5 | 23 | Fabian BRUDNICKI | 15 | | Co Peterboro | 1:02.62 |
| 6 | 21 | Ethan BASKERVILLE | 14 | | Hatfield | 1:02.93 |
| 7 | 19 | Charlie SUMMER | 14 | | Dereham | 1:03.20 |
| 8 | 17 | Matthew HARVEY | 15 | | Basildon Ph | 1:03.30 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 26 | Ben WOODHOUSE | 16 | | Norwich Swan | 1:02.05 |
| 2 | 28 | William PESTELL | 16 | | Colchester | 1:01.79 |
| 3 | 30 | Dennis MHINI | 18 | | St Felix Sch | 1:01.42 |
| 4 | 32 | Benjamin GREEN | 15 | | Watford SC | 1:01.30 |
| 5 | 31 | Henry PEARCE | 17 | | Co Peterboro | 1:01.41 |
| 6 | 29 | Thomas STANBURY | 18 | | Potters Bar | 1:01.55 |
| 7 | 27 | Thomas BELCHER | 16 | | Modernian | 1:01.91 |
| 8 | 25 | Teal'K SMITH | 16 | | Beccles Town | 1:02.44 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 36 | Oliver KENNY | 22 | | West Norfolk | 1:00.86 |
| 2 | 42 | Myles ROBINSON-YOUNG | 17 | | Co Peterboro | 1:00.09 |
| 3 | 48 | Thomas OGDEN | 15 | | Bishop Stort | 59.30 |
| 4 | 54 | Walter HACKETT | 16 | | Dunstable | 57.40 |
| 5 | 51 | Manfred BATTLE | 17 | | Co Cambridge | 58.40 |
| 6 | 45 | Alexander CATTON | 16 | | Bishop Stort | 59.60 |
| 7 | 39 | Matthew ANDERSON | 17 | | Deben | 1:00.42 |
| 8 | 33 | Ryan WEBB | 18 | | Gt Yarmouth | 1:01.29 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 37 | Lucas DYSON-DIAZ | 19 | | Hatfield | 1:00.64 |
| 2 | 43 | Thomas BOYT | 20 | | Felixstowe | 59.84 |
| 3 | 49 | Charles WHYTE | 18 | | West Suffolk | 59.11 |
| 4 | 55 | Thomas CLARE | 18 | | teamipswich | 56.54 |
| 5 | 52 | Thomas PICKERING | 19 | | Linslade | 58.10 |
| 6 | 46 | Finn JEFFERY | 16 | | St Felix Sch | 59.56 |
| 7 | 40 | Michael JUDD | 21 | | Dunstable | 1:00.28 |
| 8 | 34 | Joel GREEN | 19 | | Hemel Hemp | 1:01.26 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 38 | Ralph DAVIES | 18 | | Harlow Pen | 1:00.50 |
| 2 | 44 | Myles TURNER | 19 | | West Suffolk | 59.72 |
| 3 | 50 | Maxwell GEORGE | 16 | | Hatfield | 59.00 |
| 4 | 56 | Nathan WELLS | 21 | | West Norfolk | 56.30 |
| 5 | 53 | Herbie KINDER | 17 | | Co Peterboro | 57.47 |
| 6 | 47 | Jordan CATCHPOLE | 20 | S14 | Co Norwich | 59.40 |
| 7 | 41 | Nathan WOODROW | 16 | | Co Norwich | 1:00.10 |
| 8 | 35 | William PARSONS | 15 | | Deben | 1:01.00 |