| Bibno. | Participant | Category | Country | Distance |
|---|---|---|---|---|
| 125 | A Emslie | (M) Senior |  | Triathlon |
| 651 | Aaron Davies | (M) Junior | | 5k |
| 385 | Abbie Currington | (F) Senior | | Oxford vs Cambridge |
| 214 | Abigail Whistler | (F) U20 | | Triathlon |
| 343 | Adnan Hrustic | (M) Senior | | Triathlon |
| 22 | Adrian Byrne | (M) Veteran 40 | | Triathlon |
| 185 | Adrian Drury | (M) Veteran 40 | | Triathlon |
| 316 | Alan Lawrence | (M) Senior | | Triathlon |
| 181 | Alan Perry | (M) Senior | | Triathlon |
| 235 | Alan Sumner | (M) Veteran 60 | | Triathlon |
| 410 | Alastair Nicklin | (M) Senior | | Oxford vs Cambridge |
| 780 | Aleksandra Chadzynska | (F) Senior | | 10k |
| 449 | Alessandro Abate | (M) Veteran 40 | | Oxford vs Cambridge |
| 122 | Alex Chalker | (M) Senior | | Triathlon |
| 345 | Alex Dunmore | (F) Veteran 40 | | Triathlon |
| 709 | Alex Ladkin | (F) Veteran 40 | | 10k |
| 240 | Alexander Fearne | (M) Senior | | Triathlon |
| 306 | Alexander Robey | (M) Senior | | Triathlon |
| 447 | Alexander Tough | (M) Senior | | Oxford vs Cambridge |
| 32 | Alexandra Buchan | (F) Senior | | Triathlon |
| 95 | Alexandria Evans | (F) Senior | | Triathlon |
| 371 | Ali Longman | (F) Senior | | Triathlon |
| 758 | Ali Moore | (F) Veteran 40 | | 10k |
| 785 | Alice Edmondson | (F) Senior | | 10k |
| 291 | Alice Murphy | (F) Senior | | Triathlon |
| 111 | Alice Rose | (F) Senior | | Triathlon |
| 229 | Alistair Asher | (M) Veteran 60 | | Triathlon |
| 224 | Alyse Graham | (F) Veteran 40 | | Triathlon |
| 342 | Amandine Durey | (F) Senior | | Triathlon |
| 720 | Amy Brunton | (F) Senior | | 10k |
| 723 | Amy Hookway | (F) Senior | | 10k |
| 358 | Amy Poe | (F) Senior | | Triathlon |
| 84 | Amy Samson | (F) Senior | | Triathlon |
| 392 | Anastasia Kopytina | (F) Senior | | Oxford vs Cambridge |
| 647 | Andre Fonseca | (M) Senior | | 5k |
| 388 | Andrea Stefkova | (F) Senior | | Oxford vs Cambridge |
| 354 | Andrea Whelband | (F) Veteran 40 | | Triathlon |
| 239 | Andrew Fearne | (M) Veteran 60 | | Triathlon |
| 253 | Andrew Grayland | (M) Senior | | Triathlon |
| 715 | Andrew Payne | (M) Veteran 50 | | 10k |
| 729 | Andrew Toon | (M) Veteran 40 | | 10k |
| 432 | Andrs No | (M) Senior | | Oxford vs Cambridge |
| 218 | Andy Gajraj | (M) Veteran 50 | | Triathlon |
| 796 | Andy Osborne | (M) Veteran 50 | | 10k |
| 421 | Angus Young | (M) Senior | | Oxford vs Cambridge |
| 774 | Ann Howard | (F) Veteran 40 | | 10k |
| 310 | Anna-victoria Fear | (F) Senior | | Triathlon |
| 219 | Anne-marie Benoy | (F) Senior | | Triathlon |
| 339 | Anthony Cherry | (M) Veteran 40 | | Triathlon |
| 36 | Antonio Terreno | (M) Veteran 40 | | Triathlon |
