| Bibno. | Participant | Category | Country | Distance |
|---|---|---|---|---|
| 276 | John Pearson | (M) Veteran50 |  | 5k |
| 80 | Johnny Beardsmore | (M) Senior | | Triathlon |
| 447 | Jon Kempster | (M) Veteran50 | | 10k |
| 154 | Jonathan Bloomfield | (M) Senior | | Triathlon |
| 323 | Jonathan Clough | (M) Veteran40 | | 5k |
| 282 | Jonathan Cunliffe | (M) Veteran50 | | 5k |
| 107 | Jonathan Fearne | (M) Senior | | Triathlon |
| 89 | Jonathan Smith | (M) Senior | | Triathlon |
| 351 | Jonathan Thwaites | (M) Senior | | 10k |
| 167 | Jose Julian Lopez Henao | (M) Senior | | Triathlon |
| 7 | Joseph Patchitt | (M) Senior | | Triathlon |
| 37 | Josh Presley | - | | Triathlon |
| 324 | Joshua Clough | - | | 5k |
| 380 | Joshua Rasia | (M) Senior | | 10k |
| 194 | Julia May | (F) Senior | | Triathlon |
| 60 | Julie Sexton | (F) Senior | | Triathlon |
| 286 | Julie Sharkey | (F) Veteran40 | | 5k |
| 389 | Justin Don | (M) Veteran40 | | 10k |
| 191 | Karl Boehm | (M) Senior | | Triathlon |
| 353 | Kate Anderson | (F) Senior | | 10k |
| 316 | Kate Knight | (F) Senior | | 5k |
| 132 | Kathryn Buckle | (F) Senior | | Triathlon |
| 385 | Kavil Patel | (M) Senior | | 10k |
| 125 | Kerry Mclennan-Mckenzie | (F) Veteran40 | | Triathlon |
| 254 | Kerry Starkey | (F) Senior | | 5k |
| 118 | Kevin Mcguire | (M) Veteran50 | | Triathlon |
| 51 | Khary Demercado | (M) Veteran40 | | Triathlon |
| 263 | Kimber Paterson | (F) Senior | | 5k |
| 281 | Kirsty Cunliffe | (F) Veteran40 | | 5k |
| 314 | Kirsty Hyams | (F) Senior | | 5k |
| 70 | Kosta Panteli | (M) Veteran50 | | Triathlon |
| 192 | Lara Coldicott | (F) Senior | | Triathlon |
| 266 | Lauren Oslar | (F) Veteran40 | | 5k |
| 186 | Lauren Thompson | (F) Senior | | Triathlon |
| 460 | Laurence Kemball-Cook | (M) Senior | | Triathlon |
| 73 | Laurence Kimball-Cook | (M) Senior | | Triathlon |
| 122 | Lea Marie Burek | (F) Senior | | Triathlon |
| 179 | Leane Harding | (F) Senior | | Triathlon |
| 78 | Leanne Watters | (F) Senior | | Triathlon |
| 185 | Lee Thompson | (M) Senior | | Triathlon |
| 268 | Leon Swardt | (M) Veteran50 | | 5k |
| 270 | Leticia Sant'anna | (F) Senior | | 5k |
| 461 | Lindsay Haig | (F) Senior | | Triathlon |
| 288 | Lisa Sharp | (F) Veteran60 | | 5k |
| 219 | Lloyd Miles | (M) Veteran40 | | Triathlon |
| 123 | Louisa Tuely | (F) Senior | | Triathlon |
| 24 | Louise Alan-Smith | (F) Veteran50 | | Triathlon |
| 399 | Louise Champion | (F) Veteran40 | | 10k |
| 395 | Lucina Toms | (F) Veteran40 | | 10k |
| 332 | Lucy Hardwick | (F) Senior | | 5k |
