EVENT 103 Open/Male 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 2 | 2 | Thomas O'BRIEN | 08 | Stockport Mo | 34.10 |
| 3 | 4 | Jayman LAU | 10 | Loughborough | 33.19 |
| 4 | 6 | Aaryamaan SINGH | 08 | Swindon Dolp | 31.92 |
| 5 | 5 | Harry MOORE | 09 | Stockport Mo | 32.20 |
| 6 | 3 | Ethelbert HEMS GILLSON | 08 | Repton | 33.20 |
| 7 | 1 | Mason GRADY | 10 | Stockport Mo | 35.40 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 10 | Lucas CARTER | 08 | Swindon Dolp | 28.69 |
| 2 | 16 | Thomas DALZIEL | 05 | Rugby | 28.07 |
| 3 | 22 | Mackenzie CANNON | 02 | Lboro Uni | 27.06 |
| 4 | 28 | Sam BUDD | 98 | Co Sheffield | 24.21 |
| 5 | 25 | Jean LAMORISSE | 00 | Lboro Uni | 26.00 |
| 6 | 19 | Jude DENNING | 06 | Repton | 27.60 |
| 7 | 13 | Leo POLLOCK | 06 | Repton | 28.40 |
| 8 | 7 | Zachary STEPHENSON | 07 | Repton | 31.75 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 11 | Jack GOLDFINCH | 06 | Loughborough | 28.67 |
| 2 | 17 | Nathan MORGAN | 06 | Repton | 28.00 |
| 3 | 23 | Jacob BROWN | 07 | Tadcaster | 27.00 |
| 4 | 29 | Conor FERGUSON | 99 | Loughboro Un | 24.05 |
| 5 | 26 | Archie EVANS | 04 | Bath Univ | 25.70 |
| 6 | 20 | Dominic BOOLS | 03 | Repton | 27.56 |
| 7 | 14 | Callum RAYMENT | 99 | Co Sheffield | 28.10 |
| 8 | 8 | Taylor HORSMAN | 07 | Tadcaster | 30.70 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 12 | Jack BROWN | 07 | Soundwell | 28.55 |
| 2 | 18 | Charlie JEANES | 08 | Repton | 27.80 |
| 3 | 24 | Oliver BURNS | 05 | Co Sheffield | 26.43 |
| 4 | 30 | Shane RYAN | 94 | NC Dublin | 23.61 |
| 5 | 27 | Toby HILL | 04 | Co Manch Aq | 24.71 |
| 6 | 21 | C GEORGESCU-SPIERS | 06 | Elmbridge | 27.20 |
| 7 | 15 | Benjamin CROSS | 05 | Co Sheffield | 28.10 |
| 8 | 9 | Carlos SIERRA VILLEGAS | 08 | Chesterfield | 29.81 |