| Bibno. | Participant | Category | Club | Distance |
| 650 | Kai Furnell-Brennan | (M) Junior | | ITU Sprint Qualifier |
|
| Club | Distance |
| - | ITU Sprint Qualifier |
|
| 1388 | Kallum Marsden | (M) 20-24 | | SuperSprint |
|
| Club | Distance |
| - | SuperSprint |
|
| 532 | Karen Cole
Roding Valley Tri
| (F) 60-64 | Roding Valley Tri | ITU Sprint Qualifier |
|
| Club | Distance |
| Roding Valley Tri | ITU Sprint Qualifier |
|
| 115 | Karen Murphy
Tri-Force
| (F) 50-54 | Tri-Force | ITU Sprint Qualifier |
|
| Club | Distance |
| Tri-Force | ITU Sprint Qualifier |
|
| 813 | Karen Oleary | (F) 40-44 | | Sprint |
|
|
| 497 | Karen Pattison | (F) 45-49 | | ITU Sprint Qualifier |
|
| Club | Distance |
| - | ITU Sprint Qualifier |
|
| 130 | Karin Hendrickse | (F) 50-54 | | ITU Sprint Qualifier |
|
| Club | Distance |
| - | ITU Sprint Qualifier |
|
| 1431 | Karin Polcerova | (F) 35-39 | | SuperSprint |
|
| Club | Distance |
| - | SuperSprint |
|
| 775 | Kat Errey | (F) 25-29 | | Sprint |
|
|
| 1332 | Katarina Andric | (F) 30-34 | | SuperSprint |
|
| Club | Distance |
| - | SuperSprint |
|
| 1446 | Kate Cumber | (F) 55-59 | | SuperSprint |
|
| Club | Distance |
| - | SuperSprint |
|
| 430 | Kate Derrick
Chippenham Wheelers
| (F) 35-39 | Chippenham Wheelers | ITU Sprint Qualifier |
|
| Club | Distance |
| Chippenham Wheelers | ITU Sprint Qualifier |
|
| 1383 | Kate Eadie | (F) 25-29 | | SuperSprint |
|
| Club | Distance |
| - | SuperSprint |
|
| 820 | Kate Markland | (F) 40-44 | | Sprint |
|
|
| 245 | Kate Robinson
Berkshire Tri Squad
| (F) 30-34 | Berkshire Tri Squad | ITU Sprint Qualifier |
|
| Club | Distance |
| Berkshire Tri Squad | ITU Sprint Qualifier |
|
| 465 | Kate Sandford | (F) 40-44 | | ITU Sprint Qualifier |
|
| Club | Distance |
| - | ITU Sprint Qualifier |
|
| 462 | Kate Slee
Adalta
| (F) 40-44 | Adalta | ITU Sprint Qualifier |
|
| Club | Distance |
| Adalta | ITU Sprint Qualifier |
|
| 1437 | Kate Thomlinson | (F) 40-44 | | SuperSprint |
|
| Club | Distance |
| - | SuperSprint |
|
| 773 | Kate Whiting
London Fields Triathlon Club
| (F) 25-29 | London Fields Triathlon Club | Sprint |
|
| Club | Distance |
| London Fields Triathlon Club | Sprint |
|
| 1334 | Katharina Denbury | (F) 40-44 | | SuperSprint |
|
| Club | Distance |
| - | SuperSprint |
|
| 804 | Katherine Cook | (F) 35-39 | | Sprint |
|
|
| 431 | Katherine Kabala | (F) 35-39 | | ITU Sprint Qualifier |
|
| Club | Distance |
| - | ITU Sprint Qualifier |
|
| 871 | Katherine Montserrat
Ful-on Tri
| (F) 35-39 | Ful-on Tri | Sprint |
|
| Club | Distance |
| Ful-on Tri | Sprint |
|
| 428 | Katherine Mulholland | (F) 35-39 | | ITU Sprint Qualifier |
|
| Club | Distance |
| - | ITU Sprint Qualifier |
|
| 1082 | Kathryn Dingle | (F) 25-29 | | Sprint |
|
|
| 757 | Katie Allan
University of Birmingham
| (F) 20-24 | University of Birmingham | Sprint |
|
| Club | Distance |
| University of Birmingham | Sprint |
|
| 1346 | Katie Idle | (F) 50-54 | | SuperSprint |
|
| Club | Distance |
| - | SuperSprint |
|
| 460 | Katie Nimmo | (F) 40-44 | | ITU Sprint Qualifier |
|
| Club | Distance |
| - | ITU Sprint Qualifier |
|
| 456 | Katie Robinson | (F) 40-44 | | ITU Sprint Qualifier |
|
| Club | Distance |
| - | ITU Sprint Qualifier |
|
| 1083 | Katie Siddiqui | (F) 30-34 | | Sprint |
|
|
| 224 | Katy Burke
Bath Amphibians
| (F) 25-29 | Bath Amphibians | ITU Sprint Qualifier |
|
| Club | Distance |
| Bath Amphibians | ITU Sprint Qualifier |
|
| 443 | Katy Granville-Chapman
Wellington College
| (F) 35-39 | Wellington College | ITU Sprint Qualifier |
|
| Club | Distance |
| Wellington College | ITU Sprint Qualifier |
|
| 780 | Katy Macdonald | (F) 25-29 | | Sprint |
|
|
| 39 | Keith Freegard
Ealing Triathletes
| (M) 55-59 | Ealing Triathletes | ITU Sprint Qualifier |
|
| Club | Distance |
| Ealing Triathletes | ITU Sprint Qualifier |
|
| 427 | Kelly Wickens
Southampton Triathlon Club
| (F) 35-39 | Southampton Triathlon Club | ITU Sprint Qualifier |
|
| Club | Distance |
| Southampton Triathlon Club | ITU Sprint Qualifier |
|
| 1523 | Ken Littlewood
Salisbury Triathlon Club
| (M) 55-59 | Salisbury Triathlon Club | SuperSprint |
|
| Club | Distance |
| Salisbury Triathlon Club | SuperSprint |
|
| 779 | Kerina Meadows | (F) 25-29 | | Sprint |
|
|
| 149 | Kerstin Mogull
Ful-on Tri
| (F) 55-59 | Ful-on Tri | ITU Sprint Qualifier |
|
| Club | Distance |
| Ful-on Tri | ITU Sprint Qualifier |
|
| 1041 | Kev George
Passion Fit
| (M) 45-49 | Passion Fit | Sprint |
|
| Club | Distance |
| Passion Fit | Sprint |
|
| 301 | Kevin Dargue
Viceroys Triathlon Club
| (M) 50-54 | Viceroys Triathlon Club | ITU Sprint Qualifier |
|
| Club | Distance |
| Viceroys Triathlon Club | ITU Sprint Qualifier |
|
| 47 | Kevin Dunne
Bassetlaw Triathlon Club
| (M) 60-64 | Bassetlaw Triathlon Club | ITU Sprint Qualifier |
|
| Club | Distance |
| Bassetlaw Triathlon Club | ITU Sprint Qualifier |
|
| 928 | Kevin Earing | (M) 35-39 | | Sprint |
|
|
| 951 | Kevin Hydes | (M) 40-44 | | Sprint |
|
|
| 366 | Kevin Martin
HERC Triathlon / Southampton Triathlon Club
| (M) 30-34 | HERC Triathlon / Southampton Tr. | ITU Sprint Qualifier |
|
| Club | Distance |
| HERC Triathlon / Southampton Tr. | ITU Sprint Qualifier |
|
| 958 | Kevin Spence
Berkshire Tri Squad
| (M) 40-44 | Berkshire Tri Squad | Sprint |
|
| Club | Distance |
| Berkshire Tri Squad | Sprint |
|
| 1223 | Kevin Wingfield | (M) 55-59 | | Sprint |
|
|
| 1427 | Kiana Kambari | (F) 30-34 | | SuperSprint |
|
| Club | Distance |
| - | SuperSprint |
|
| 858 | Kiera Lyness | (F) 50-54 | | Sprint |
|
|
| 1088 | Kim Caddy | (F) 40-44 | | Sprint |
|
|
| 1442 | Kirsten Doyle | (F) 45-49 | | SuperSprint |
|
| Club | Distance |
| - | SuperSprint |
|
