| 1 | Alexander Murphy | VC Venta | J | 20:23 | 29.436 | 90.849 | | | SouthDC 27 |
| 2 | Rhys Edwards | Trainsharp | J | 20:55 | 28.685 | 88.647 | | | |
| 3 | Charles Langford | Southend Wheelers | Juv | 21:07 | 28.414 | 87.821 | | | |
| 4 | Alec Rowles | Lee Valley Youth CC | J | 21:25 | 28.016 | 86.583 | | | |
| 5 | Otto Allison | Charlotteville CC | Juv | 21:50 | 27.481 | 84.862 | | | |
| 6 | Ewan Cook | Wightlink Wight Mountain RT | J | 22:11 | 27.047 | 83.417 | | | SouthDC 22 |
| 7 | Elijah Storti | Welwyn Wheelers | Juv | 22:22 | 26.826 | 82.661 | | | |
| 8 | Lucy Benezet Minns | Tofauti Everyone Active | WJ | 22:28 | 26.706 | 82.248 | | | |
| 9 | Douglas Tulett | Thanet Road Club | Juv | 23:00 | 26.087 | 80.046 | | | |
| 10 | Joshua Palmer | VMCC powered by Y Beic | J | 23:28 | 25.568 | 78.119 | | | |
| 11 | Jack Barden-Beatty | Lee Valley Youth CC | Juv | 23:56 | 25.070 | 76.193 | | | |
| 12 | Robert Fall | Poole Wheelers | J | 24:00 | 25.000 | 75.917 | | D(6) C(1) | SouthDC 16 |
| 13 | George Terry | Poole Wheelers | Juv | 24:06 | 24.896 | 75.505 | | PB D(2) C(1) | SouthDC 15 |
| 14 | Katie Lawson | Secret Training CC | WJuv | 25:21 | 23.669 | 70.344 | | | |
| 15 | Esmee Bone | Welwyn Wheelers | WJuv | 25:33 | 23.483 | 69.518 | | | |
| 16 | Skye Martingale | Type One Style | WJuv | 26:29 | 22.656 | 65.665 | | | |
| 17 | Poppy Kisley | Banbury Star CC | WJ | 26:42 | 22.472 | 64.771 | | | |
| 18 | Grace Upshall | Poole Wheelers | WJ | 26:43 | 22.458 | 64.702 | | C(2) | SouthDC 10 |
| 19 | Sebastian Mugford | VC Deal | Juv | 27:05 | 22.154 | 63.188 | | | |
| 20 | William Terry | Poole Wheelers | Juv | 27:17 | 21.991 | 62.362 | | PB D(2) C(1) | SouthDC 8 |
| 21 | Harriet Hughes | Leicester Forest CC | WJuv | 27:52 | 21.531 | 59.954 | | | |
| 22 | Cooper Barkey | Chichester Triathlon Club | Juv | 28:22 | 21.152 | 57.890 | | | SouthDC 6 |
| 23 | Grace Mason | Walden Tri | WJ | 28:23 | 21.139 | 57.821 | | | |
| 24 | Alice Tulett | Thanet Road Club | WJuv | 30:21 | 19.769 | 49.702 | | | |
| 25 | Holly Tregear | Kernow RT | WJuv | 30:53 | 19.428 | 47.500 | | | |
| 26 | Louie Arnold | Chichester Triathlon Club | J | 31:41 | 18.937 | 44.197 | | | SouthDC 2 |
| 27 | Daisy Bew | Chichester Triathlon Club | WJ | 32:37 | 18.396 | 40.344 | | | SouthDC 1 |
| | | Averages for event | | 25:25 | 23.607 | 70.031 | | | |