| Bibno. | Participant | Category | Distance |
|---|---|---|---|
| 314 | Morgan Gallimore | (M) Youth | Youth |
| 189 | Morgan Rhodes | (M) Junior 19 | Junior |
| 296 | Morgan West | (M) Youth | Youth |
| 417 | Nathan Coy | (M) TriStar 3 | Tri Star 3 |
| 163 | Nathan Smith | (M) Junior 17-18 | Junior |
| 302 | Nathanial Harries | (M) Youth | Youth |
| 318 | Neil Hepburn | (M) Youth | Youth |
| 282 | Niall Caley | (M) Youth | Youth |
| 243 | Niamh Perry | (F) Youth | Youth |
| 132 | Nixie Turner | (F) Junior 19 | Junior |
| 288 | Noah Canby | (M) Youth | Youth |
| 482 | Oliver Conway | (M) TriStar 2 | Tri Star 2 |
| 404 | Oliver Curd | (M) TriStar 3 | Tri Star 3 |
| 485 | Oliver Horne | (M) TriStar 2 | Tri Star 2 |
| 294 | Oliver Makinson | (M) Youth | Youth |
| 425 | Olivia Corner | (F) TriStar 2 | Tri Star 2 |
| 135 | Olivia Hanlon | (F) Junior 17-18 | Junior |
| 352 | Olivia Katory | (F) TriStar 3 | Tri Star 3 |
| 354 | Olivia Logan | (F) TriStar 3 | Tri Star 3 |
| 131 | Olivia Mathias | (F) Junior 19 | Junior |
| 435 | Olivia Miller | (F) TriStar 2 | Tri Star 2 |
| 371 | Orla Davies | (F) TriStar 3 | Tri Star 3 |
| 206 | Oscar Coggins | (M) Junior 17-18 | Junior |
| 214 | Oscar Rogers | (M) Junior 17-18 | Junior |
| 265 | Peta Jarvis | (F) Youth | Youth |
| 306 | Peter Holmes | (M) Youth | Youth |
| 507 | Phil Hogg | (M) PTWC1 | Paratriathlon |
| 530 | Philip Barker | (M) PTS5 | Paratriathlon |
| 111 | Phoebe Lloyd Evans | (F) Junior 19 | Junior |
| 345 | Poppy Branton | (F) TriStar 3 | Tri Star 3 |
| 350 | Poppy Jensen | (F) TriStar 3 | Tri Star 3 |
| 475 | Ralph Robson | (M) TriStar 2 | Tri Star 2 |
| 134 | Rebecca Brayer | (F) Junior 17-18 | Junior |
| 113 | Rebecca Storrie | (F) Junior 19 | Junior |
| 351 | Rebecca Wren | (F) TriStar 3 | Tri Star 3 |
| 175 | Reece Allen | (M) Junior 17-18 | Junior |
| 169 | Reef Boericke | (M) Junior 17-18 | Junior |
| 397 | Rhys Ashton | (M) TriStar 3 | Tri Star 3 |
| 327 | Rhys Davies | (M) Youth | Youth |
| 162 | Rhys James | (M) Junior 17-18 | Junior |
| 520 | Rich Mcleod | (M) PTS4 | Paratriathlon |
| 312 | Robert Sparks | (M) Youth | Youth |
| 396 | Robin Regan | (M) TriStar 3 | Tri Star 3 |
| 499 | Rory Bryant | (M) TriStar 2 | Tri Star 2 |
| 154 | Rory Strachan | (M) Junior 17-18 | Junior |
| 125 | Rosie Allen | (F) Junior 17-18 | Junior |
| 515 | Rosie Lindsay / Weston | - | Paratriathlon |
| 108 | Rosie Weston | (F) Junior 19 | Junior |
| 244 | Ruby Frankland | (F) Youth | Youth |
| 533 | Ruth Wilson | (F) PTS4 | Paratriathlon |
