| Bibno. | Participant | Category | Distance |
|---|---|---|---|
| 496 | Eammon Clowes | (M) TriStar 2 | Tri Star 2 |
| 391 | Eddie Jodrell | (M) TriStar 3 | Tri Star 3 |
| 256 | Eden Schiller | (F) Youth | Youth |
| 406 | Edward Armitage | (M) TriStar 3 | Tri Star 3 |
| 182 | Edward Beecher | (M) Junior 19 | Junior |
| 130 | Elisabeth Hood | (F) Junior 19 | Junior |
| 427 | Elizabeth Atkinson | (F) TriStar 2 | Tri Star 2 |
| 433 | Elizabeth Mckinnon | (F) TriStar 2 | Tri Star 2 |
| 342 | Elizabeth Webster | (F) TriStar 3 | Tri Star 3 |
| 264 | Ella Oldfield | (F) Youth | Youth |
| 348 | Ella Peters | (F) TriStar 3 | Tri Star 3 |
| 229 | Ellen Patton | (F) Youth | Youth |
| 374 | Ellie Deaner | (F) TriStar 3 | Tri Star 3 |
| 246 | Ellie Farrow | (F) Youth | Youth |
| 231 | Ellie Hobbs | (F) Youth | Youth |
| 105 | Ellie White | (F) Junior 17-18 | Junior |
| 476 | Elliot Bujac | (M) TriStar 2 | Tri Star 2 |
| 466 | Elliot Gladwell | (M) TriStar 2 | Tri Star 2 |
| 197 | Elliot Lassiter | (M) Junior 17-18 | Junior |
| 262 | Elsa Palmer | (F) Youth | Youth |
| 227 | Elsbeth Grant | (F) Youth | Youth |
| 378 | Emily Crookes | (F) TriStar 3 | Tri Star 3 |
| 263 | Emma Calder | (F) Youth | Youth |
| 139 | Emma Clapton | (F) Junior 17-18 | Junior |
| 346 | Emma Lewis | (F) TriStar 3 | Tri Star 3 |
| 269 | Emma Lombardi | (F) Youth | Youth |
| 310 | Emyr Thomas | (M) Youth | Youth |
| 432 | Erin Keeler Clarke | (F) TriStar 2 | Tri Star 2 |
| 110 | Erin Wallace | (F) Junior 17-18 | Junior |
| 292 | Ethan Fincham | (M) Youth | Youth |
| 456 | Eve Whitaker | (F) TriStar 2 | Tri Star 2 |
| 403 | Felix Clacy | (M) TriStar 3 | Tri Star 3 |
| 213 | Felix Forissier | (M) Junior 19 | Junior |
| 236 | Fenella Challinor | (F) Youth | Youth |
| 479 | Fergus Currie | (M) TriStar 2 | Tri Star 2 |
| 491 | Finlay Catling | (M) TriStar 2 | Tri Star 2 |
| 522 | Finley Jakes | (M) PTS4 | Paratriathlon |
| 369 | Fiona Bostock | (F) TriStar 3 | Tri Star 3 |
| 298 | Fionn Kerry | (M) Youth | Youth |
| 423 | Flo Lissaman | (F) TriStar 2 | Tri Star 2 |
| 114 | Florence Swan | (F) Junior 17-18 | Junior |
| 518 | Fran Brown | (F) PTS2 | Paratriathlon |
| 468 | Freddie Lucas | (M) TriStar 2 | Tri Star 2 |
| 252 | Frederica Moore | (F) Youth | Youth |
| 185 | Frederick Webb | (M) Junior 17-18 | Junior |
| 353 | Freja Smith | (F) TriStar 3 | Tri Star 3 |
| 449 | Freya Thapa | (F) TriStar 2 | Tri Star 2 |
| 221 | Freya Thomson | (F) Youth | Youth |
| 457 | Freya Whiteside | (F) TriStar 2 | Tri Star 2 |
| 261 | Funmi Morgan | (F) Youth | Youth |
