| Bibno. | Participant | Category | Country | Distance |
|---|---|---|---|---|
| 125 | Kristina Naidoo | (F) Veteran50 |  | 5k Swim |
| 56 | Lara Dowden | (F) Open | | 5k Swim |
| 156 | Laura Danielle | (F) Open | | Standard Triathlon (Individual) |
| 68 | Laura Godden | (F) Open | | 5k Swim |
| 211 | Laura Macfarlane | (F) Open | | Standard Triathlon (Individual) |
| Lauren Carruthers | (F) Open | | Standard Triathlon (Relay) | |
| 233 | Laurence Nichols | (M) Open | | Standard Triathlon (Individual) |
| 294 | Lawrence Miller | (M) Veteran50 | | 10k Swim |
| 14 | Lee Blackburn | (M) Open | | 5k Swim |
| 148 | Lee Collins | (M) Open | | Standard Triathlon (Individual) |
| 32 | Leo Carrington | (M) Open | | 5k Swim |
| 277 | Lesley Foulds | (F) Veteran40 | | 10k Swim |
| 45 | Linda McCulloch | (F) Veteran40 | | 5k Swim |
| 284 | Linda Whitelegg | (F) Veteran50 | | Standard Triathlon (Individual) |
| 95 | Lindsey Brady | (F) Veteran40 | | Standard Triathlon (Individual) |
| 7 | Lizzie Barker | (F) Open | | 5k Swim |
| 333 | Lizzie Thornhill | (F) Open | | 10k Swim |
| 234 | Lloyd Nichols | (M) Veteran40 | | Standard Triathlon (Individual) |
| 108 | Louise Maguire | (F) Veteran40 | | 5k Swim |
| 12 | Lucy Birch | (F) Veteran40 | | 5k Swim |
| 153 | Lucy Crookes | (F) Open | | Standard Triathlon (Individual) |
| 203 | Lucy Lamb | (F) Veteran40 | | Standard Triathlon (Individual) |
| 142 | Lucy Scott | (F) Veteran40 | | 5k Swim |
| 170 | Lynn Trussell | (F) Veteran60 | | 5k Swim |
| 255 | Maggie Black | (F) Veteran60 | | 5k Swim |
| 265 | Malcolm Sowerby | (M) Veteran50 | | Standard Triathlon (Individual) |
| 171 | Marc Turnbull | (M) Veteran50 | | 5k Swim |
| 250 | Mark Ayrton | (M) Veteran40 | | 10k Swim |
| Mark Benson | (M) Open | | Standard Triathlon (Relay) | |
| 29 | Mark Byrne | (M) Veteran40 | | 5k Swim |
| 149 | Mark Colman | (M) Veteran40 | | Standard Triathlon (Individual) |
| 160 | Mark Duggan | (M) Open | | Standard Triathlon (Individual) |
| 198 | Mark Katory | (M) Veteran40 | | Standard Triathlon (Individual) |
| 200 | Mark Kilbride | (M) Veteran40 | | Standard Triathlon (Individual) |
| 201 | Mark Kilner | (M) Veteran40 | | Standard Triathlon (Individual) |
| 327 | Mark Thompson | (M) Open | | 5k Swim |
| 204 | Martin Lane | (M) Open | | Standard Triathlon (Individual) |
| 146 | Martin Shewry | (M) Veteran60 | | 5k Swim |
| 315 | Martin Sutcliffe | (M) Veteran50 | | 10k Swim |
| 161 | Martin Taylor | (M) Veteran50 | | 5k Swim |
| 276 | Martin Udberg | (M) Open | | Standard Triathlon (Individual) |
| 172 | Martin Varey | (M) Veteran40 | | 5k Swim |
| 180 | Martin Walsh | (M) Veteran50 | | 5k Swim |
| 192 | Martyn James | (M) Open | | Standard Triathlon (Individual) |
| 77 | Mary Hewitt | (F) Open | | 5k Swim |
| 272 | Mathew Thompson | (M) Open | | Standard Triathlon (Individual) |
| 13 | Matt Birch | (M) Open | | 5k Swim |
| 273 | Matt Donnelly | (M) Veteran60 | | 10k Swim |
| 100 | Matt Leigh | (M) Veteran40 | | 5k Swim |
| 244 | Matt Pexton | (M) Open | | Standard Triathlon (Individual) |
