| Bibno. | Participant | Category | Distance |
|---|---|---|---|
| 160 | Jack Shayler | (M) Junior 17-18 | Junior |
| 313 | Jack Stanton-Stock | (M) Youth | Youth |
| 464 | Jacob Borratt | (M) TriStar 2 | Tri Star 2 |
| 187 | Jake Callis | (M) Junior 19 | Junior |
| 465 | Jake Latham | (M) TriStar 2 | Tri Star 2 |
| 301 | Jake Stephenson | (M) Youth | Youth |
| 172 | James Chantler Mayne | (M) Junior 17-18 | Junior |
| 384 | James Fraser | (M) TriStar 3 | Tri Star 3 |
| 188 | James Lund | (M) Junior 17-18 | Junior |
| 295 | James Mclaughlin | (M) Youth | Youth |
| 300 | James Morris | (M) Youth | Youth |
| 332 | James Porter | (M) Youth | Youth |
| 195 | Jamie Bedwell | (M) Junior 19 | Junior |
| 356 | Jess Connelly | (F) TriStar 3 | Tri Star 3 |
| 249 | Jess Humphreys | (F) Youth | Youth |
| 140 | Jessica Fullagar | (F) Junior 17-18 | Junior |
| 366 | Jessica Hudson | (F) TriStar 3 | Tri Star 3 |
| 376 | Jessica Jones | (F) TriStar 3 | Tri Star 3 |
| 349 | Jessica Mayer | (F) TriStar 3 | Tri Star 3 |
| 416 | Joe Sherman | (M) TriStar 3 | Tri Star 3 |
| 186 | Joel Roura | (M) Junior 17-18 | Junior |
| 204 | Joey Davies | (M) Junior 19 | Junior |
| 516 | John Fulton | (M) PTS2 | Paratriathlon |
| 170 | Joseph Jakubait | (M) Junior 17-18 | Junior |
| 293 | Joseph Martin | (M) Youth | Youth |
| 489 | Joseph Martindale | (M) TriStar 2 | Tri Star 2 |
| 508 | Joseph Townsend | (M) PTWC2 | Paratriathlon |
| 283 | Josh Borrett | (M) Youth | Youth |
| 202 | Josh Hendry | (M) Junior 17-18 | Junior |
| 415 | Joshua French | (M) TriStar 3 | Tri Star 3 |
| 215 | Joshua West | (M) Junior 17-18 | Junior |
| 228 | Juliette Branford | (F) Youth | Youth |
| 385 | Kai Boggon | (M) TriStar 3 | Tri Star 3 |
| 506 | Karen Darke | (F) PTWC1 | Paratriathlon |
| 109 | Kate Gallagher | (F) Junior 17-18 | Junior |
| 225 | Kate Pugh | (F) Youth | Youth |
| 226 | Kate Richardson | (F) Youth | Youth |
| 142 | Kate Waugh | (F) Junior 17-18 | Junior |
| 365 | Katie Painter | (F) TriStar 3 | Tri Star 3 |
| 223 | Katie Rodda | (F) Youth | Youth |
| 344 | Katie Tasker | (F) TriStar 3 | Tri Star 3 |
| 209 | Kelton Aldridge | (M) Junior 19 | Junior |
| 527 | Kerry Large | (F) PTS5 | Paratriathlon |
| 329 | Kieran Morris | (M) Youth | Youth |
| 328 | Kieran Smith | (M) Youth | Youth |
| 392 | Kieron Mutch | (M) TriStar 3 | Tri Star 3 |
| 234 | Kirsha Nicholson | (F) Youth | Youth |
| 426 | Kitty Hilling | (F) TriStar 2 | Tri Star 2 |
| 238 | Laura Sharp | (F) Youth | Youth |
| 224 | Lauren Blair | (F) Youth | Youth |
