Boys 15/UN100m Backstroke - Heats (Declared Winners)
Full Results
| Place | Name | AaD | Club | | Time | | R.T. | FINA Pt | | 50 |
| 1. | Martyn Walton | 16 | Hatfield | | 58.95 | | + 0.55 | 683 | | 28.52 |
| 2. | James Wilson | 16 | Plymouth Lea | | 1:02.01 | | + 0.66 | 587 | | 30.23 |
| 3. | Sam Budd | 15 | Co Sheffield | | 1:03.17 | | + 0.63 | 555 | | 31.01 |
| 4. | George Marsh | 16 | Amersham | | 1:03.28 | | + 0.67 | 552 | | 31.07 |
| 5. | Josh Gunn | 15 | TauntonDeane | | 1:03.50 | | + 0.64 | 547 | | 30.36 |
| 6. | Harry Chesterman | 15 | Millfield | | 1:03.64 | | + 0.61 | 543 | | 30.09 |
| 7. | Daniel michael Hall | 15 | Co Leeds | | 1:04.04 | | + 0.55 | 533 | | 31.11 |
| 8. | Charlie Pullan | 15 | Guildford Ct | | 1:04.40 | | + 0.83 | 524 | | 30.83 |
| 9. | Steven Wilson | 16 | Boldmere | | 1:04.51 | | + 0.64 | 521 | | 31.62 |
| 10. | Cole Charnock | 15 | Co Liverpool | | 1:08.71 | | + 0.54 | 431 | | 33.21 |
