Mens 15/18 Yrs 400m Freestyle Team - Heats (Declared Winners)
Full Results
| Place | Name | A.G | Club | | Time | | | FINA Pt | |
| 1. | Hatfield A | | Hatfield | | 3:33.48 | | | 685 | |
| Caleb Hughes | | 52.45 | | 25.50 | 26.95 |
| Martyn Walton | | 53.04 | | 25.34 | 27.70 |
| Nico Campbell | | 53.57 | | 25.65 | 27.92 |
| Jake Lloyd | | 54.42 | | 26.21 | 28.21 |
| 2. | Team Ipswich | | teamipswich | | 3:37.20 | | | 650 | |
| Regan Lloyd | | 55.05 | | 26.50 | 28.55 |
| Robert Aland | | 54.21 | | 25.90 | 28.31 |
| Philip Dowding-Young | | 54.71 | | 25.78 | 28.93 |
| Jake Tyson | | 53.23 | | 25.72 | 27.51 |
| 3. | City Of Cambridge | | Co Cambridge | | 3:41.97 | | | 609 | |
| Boris Ledovskih | | 57.02 | | 26.93 | 30.09 |
| Harry Robinson | | 55.48 | | 26.38 | 29.10 |
| Adam Tapley | | 56.04 | | 27.16 | 28.88 |
| Richard Jefferies | | 53.43 | | 25.01 | 28.42 |
| 4. | City Of Peterborough A | | Co Peterboro | | 3:42.45 | | | 605 | |
| Liam Knight | | 53.85 | | 25.44 | 28.41 |
| Matthew Brigham | | 55.63 | | 26.17 | 29.46 |
| Daniel Brown | | 57.64 | | 27.43 | 30.21 |
| Antony Coombe | | 55.33 | | 26.62 | 28.71 |
| 5. | Hatfield B | | Hatfield | | 3:44.63 | | | 588 | |
| Bradley Slavinec | | 54.48 | | 26.28 | 28.20 |
| William Kearsey | | 54.66 | | 26.21 | 28.45 |
| Ethan Lamb | | 55.35 | | 27.28 | 28.07 |
| Benjamin Purcell | | 1.00.14 | | 29.95 | 30.19 |
| 6. | Basildon and Phoenix | | Basildon Ph | | 3:48.14 | | | 561 | |
| Harvey Brown | | 55.86 | | 26.95 | 28.91 |
| James Day | | 56.70 | | 26.99 | 29.71 |
| Aidan Robinson | | 58.26 | | 26.89 | 31.37 |
| Sonny Ford | | 57.32 | | 26.99 | 30.33 |
| 7. | Modernian | | Modernians | | 3:48.54 | | | 558 | |
| Luca Hargrave | | 1.00.07 | | 28.59 | 31.48 |
| Oliver Maltby | | 57.11 | | 27.24 | 29.87 |
| Peter Webster | | 57.01 | | 27.05 | 29.96 |
| Connor Delaney | | 54.35 | | 25.96 | 28.39 |
| 8. | City Of Peterborough B | | Co Peterboro | | 3:49.30 | | | 553 | |
| Samuel Holmes | | 57.56 | | 27.91 | 29.65 |
| Joshua Aylett | | 57.23 | | 27.21 | 30.02 |
| Kyle Ainge | | 56.93 | | 27.24 | 29.69 |
| Nathan Tweedie | | 57.58 | | 27.50 | 30.08 |
| 9. | Hemel Hempstead | | Hemel Hemp | | 3:52.47 | | | 530 | |
| Samuel Pigott | | 58.16 | | 27.33 | 30.83 |
| Matthew Sherriff | | 57.82 | | 28.03 | 29.79 |
| Frederick Woodcock | | 59.75 | | 28.28 | 31.47 |
| Thomas Sherriff | | 56.74 | | 26.29 | 30.45 |
| 10. | West Norfolk Swimming | | West Norfolk | | 3:57.88 | | | 495 | |
| Nathan Wells | | 57.05 | | 27.32 | 29.73 |
| Elliot Legg | | 1.00.57 | | 29.03 | 31.54 |
| Matthew Addis | | 1.01.16 | | 28.94 | 32.22 |
| Ryan Sykes | | 59.10 | | 27.84 | 31.26 |
