| Bibno. | Participant | Category | Country | Distance |
|---|---|---|---|---|
| 382 | Loc Lannelongue | (M) Senior |  | Oxford vs Cambridge |
| 299 | Lorenzo Di Felice | (M) Senior | | Triathlon |
| 192 | Lorenzo Di Felice | (M) Veteran 50 | | Triathlon |
| 476 | Lorenzo Di Felice | (M) Veteran 50 | | Triathlon |
| 395 | Louis Relandeau | (M) U20 | | Oxford vs Cambridge |
| 116 | Louise Alan-smith | (F) Veteran 50 | | Triathlon |
| 335 | Louise Scott | (F) Veteran 40 | | Triathlon |
| 616 | Lucia Jurisova | (F) Senior | | 5k |
| 92 | Lucy Bowman | (F) Senior | | Triathlon |
| 412 | Lucy Farquhar | (F) Senior | | Oxford vs Cambridge |
| 200 | Lucy Gill | (F) Veteran 40 | | Triathlon |
| 706 | Lucy Mclaughlan | (F) Senior | | 10k |
| 105 | Luke Holmes | (M) Senior | | Triathlon |
| 638 | Luke Johnston | (M) Senior | | 5k |
| 378 | Luke Mccarron | (M) Senior | | Oxford vs Cambridge |
| 365 | Maija Hovila | (F) Senior | | Triathlon |
| 40 | Mante Saakwa-mante | (M) Senior | | Triathlon |
| 722 | Marc Newington | (M) Senior | | 10k |
| 603 | Marcia Cofie-bruce | (F) Senior | | 5k |
| 275 | Marcin Zborowski | (M) Senior | | Triathlon |
| 765 | Marco Maestro | (M) Senior | | 10k |
| 134 | Marcus Southern | (M) Senior | | Triathlon |
| 243 | Margaret King | (F) Senior | | Triathlon |
| 81 | Margaret Mitchell | (F) Senior | | Triathlon |
| 757 | Maria Hall | (F) Veteran 50 | | 10k |
| 288 | Mark Dewey | (M) Veteran 40 | | Triathlon |
| 66 | Mark Lainas | (M) Senior | | Triathlon |
| 712 | Mark Peterson | (M) Veteran 50 | | 10k |
| 227 | Mark Pocock | (M) Veteran 40 | | Triathlon |
| 87 | Mark Smoker | (M) Veteran 40 | | Triathlon |
| 289 | Marta Ciruelos Herrero | (F) Senior | | Triathlon |
| 420 | Martin Kitchener | (M) Veteran 50 | | Oxford vs Cambridge |
| 436 | Mathew Veal | (M) Senior | | Oxford vs Cambridge |
| 377 | Matilda O Callaghan | (F) Senior | | Oxford vs Cambridge |
| 262 | Matt Handley | (M) Senior | | Triathlon |
| 54 | Matthew Burbidge | (M) Senior | | Triathlon |
| 149 | Matthew Cox | (M) Veteran 40 | | Triathlon |
| 138 | Matthew Farlow | (M) Senior | | Triathlon |
| 18 | Matthew Hall | (M) Veteran 40 | | Triathlon |
| 188 | Matthew Hornblow | (M) Veteran 40 | | Triathlon |
| 44 | Matthew Morgan | (M) Senior | | Triathlon |
| 426 | Matthew Smith | (M) Senior | | Oxford vs Cambridge |
| 259 | Matthew Stears | (M) Veteran 60 | | Triathlon |
| 76 | Matthew Tustain | (M) Veteran 40 | | Triathlon |
| 11 | Matthew Weitz | (M) Senior | | Triathlon |
| 23 | Megan Sharpe | (F) Senior | | Triathlon |
| 453 | Melissa Dix | (F) Senior | | Oxford vs Cambridge |
| 615 | Melissa Dockray | (F) Veteran 40 | | 5k |
| 128 | Michael Bettinson | (M) Senior | | Triathlon |
| 786 | Michael Davies | (M) Veteran 50 | | 10k |
