| Bibno. | Participant | Category | Country | Distance |
|---|---|---|---|---|
| 374 | Justin Marshall | (M) Senior |  | Triathlon |
| 61 | Karen Thomas | (F) Veteran 40 | | Triathlon |
| 356 | Karol Szor | (M) Veteran 40 | | Triathlon |
| 442 | Karolina Chocian | (F) Senior | | Oxford vs Cambridge |
| 744 | Katarzyna Nitarska | (F) Veteran 40 | | 10k |
| 46 | Kate Dommett | (F) Veteran 40 | | Triathlon |
| 24 | Kate Houghton | (F) Senior | | Triathlon |
| 91 | Katharina Down | (F) Senior | | Triathlon |
| 351 | Katharine Cox | (F) Senior | | Triathlon |
| 65 | Katherine Higgins | (F) Senior | | Triathlon |
| 751 | Katherine Parker | (F) Senior | | 10k |
| 162 | Katherine West | (F) Senior | | Triathlon |
| 206 | Kathryn Dingle | (F) Senior | | Triathlon |
| 403 | Kathryn Kahil | (F) U20 | | Oxford vs Cambridge |
| 141 | Kati Noakes | (F) Veteran 40 | | Triathlon |
| 131 | Katie Allan | (F) Senior | | Triathlon |
| 613 | Katie Johnston | (F) U20 | | 5k |
| 148 | Katy Mardle | (F) Veteran 40 | | Triathlon |
| 79 | Keith Misson | (M) Veteran 40 | | Triathlon |
| 143 | Kent Massey | (M) Veteran 40 | | Triathlon |
| 760 | Kerry Jones | (F) Veteran 40 | | 10k |
| 445 | Kevin Schlegel | (M) Senior | | Oxford vs Cambridge |
| 411 | Kinga Zielinska | (F) Senior | | Oxford vs Cambridge |
| 375 | Krista Kojecky | (F) Senior | | Triathlon |
| 349 | Kristian Biles | (M) Senior | | Triathlon |
| 414 | Laura Clark | (F) Senior | | Oxford vs Cambridge |
| 719 | Laura Cunningham | (F) Veteran 50 | | 10k |
| 180 | Laura Hamilton | (F) Senior | | Triathlon |
| 164 | Laura Holden | (F) Unknown | | Triathlon |
| 427 | Laura John | (F) Senior | | Oxford vs Cambridge |
| 119 | Laura Lucinda Bryant | (F) Senior | | Triathlon |
| 708 | Laura Riley | (F) Senior | | 10k |
| 258 | Lauren Mc Gee | (F) Senior | | Triathlon |
| 38 | Lauren Taylor | (F) Senior | | Triathlon |
| 167 | Laurence Hewitt | (M) Senior | | Triathlon |
| 448 | Laurence Watts | (M) Senior | | Oxford vs Cambridge |
| 641 | Leah Ludlow | (F) Senior | | 5k |
| 740 | Lee Hudson | (M) Senior | | 10k |
| 321 | Lee Maxwell | (M) Veteran 40 | | Triathlon |
| 286 | Lee Thompson | (M) Senior | | Triathlon |
| 252 | Leigh Wood | (M) Senior | | Triathlon |
| 797 | Len Picott | (M) Veteran 60 | | 10k |
| 620 | Lesley Duncan | (F) Veteran 50 | | 5k |
| 159 | Lewis Peacock | (M) Senior | | Triathlon |
| 718 | Lindsey Morrow | (F) Senior | | 10k |
| 154 | Linzi Warne | (F) Veteran 40 | | Triathlon |
| 717 | Lisa Celeste | (F) Veteran 40 | | 10k |
| 433 | Lisa Marguerite Kleyn | (F) Senior | | Oxford vs Cambridge |
| 801 | Liz Drummond | (F) Veteran 40 | | 10k |
| 355 | Lizzy Thompson | (F) Veteran 40 | | Triathlon |
