| Bibno. | Participant | Category | Club | Distance |
| 343 | Hugh Upcott Gill | (M) Senior | | Sprint |
|
|
| 289 | Iain Read | (M) Senior | | Sprint |
|
|
| 412 | Ian Barnard | (M) Veteran50 | | Standard |
|
|
| 65 | Ian Cooper
Thomas's Dads for Duchenne
| (M) Veteran40 | Thomas's Dads for Duchenne | Standard |
|
| Club | Distance |
| Thomas's Dads for Duchenne | Standard |
|
| 123 | Ian Gaffney
Cambridge University Student
| (M) Senior | Cambridge University Student | Standard |
|
| Club | Distance |
| Cambridge University Student | Standard |
|
| 201 | Ian Lathey | (M) Veteran40 | | Supersprint |
|
| Club | Distance |
| - | Supersprint |
|
| 211 | Ieva Lobaciute
Herne Hill Harriers
| (F) Senior | Herne Hill Harriers | Standard |
|
| Club | Distance |
| Herne Hill Harriers | Standard |
|
| 79 | Jack Davidson
Bloomberg
| (M) Senior | Bloomberg | Sprint |
|
| Club | Distance |
| Bloomberg | Sprint |
|
| 66 | James Cooper
Thomas's Dads for Duchenne
| (M) Veteran40 | Thomas's Dads for Duchenne | Sprint |
|
| Club | Distance |
| Thomas's Dads for Duchenne | Sprint |
|
| 163 | James Holliday | (M) U20 | | Sprint |
|
|
| 172 | James House
Thomas's Dads for Duchenne
| (M) Veteran40 | Thomas's Dads for Duchenne | Standard |
|
| Club | Distance |
| Thomas's Dads for Duchenne | Standard |
|
| 192 | James King
Thomas's Dads for Duchenne
| (M) Senior | Thomas's Dads for Duchenne | Standard |
|
| Club | Distance |
| Thomas's Dads for Duchenne | Standard |
|
| 231 | James McCall | (M) U20 | | Sprint |
|
|
| 234 | James McWilliam | (M) Senior | | Sprint |
|
|
| 303 | James Sandford
Thomas's Dads for Duchenne
| (M) Veteran40 | Thomas's Dads for Duchenne | Sprint |
|
| Club | Distance |
| Thomas's Dads for Duchenne | Sprint |
|
| 355 | James Webb
Rugby Triathlon Club
| (M) U20 | Rugby Triathlon Club | Sprint |
|
| Club | Distance |
| Rugby Triathlon Club | Sprint |
|
| 199 | Jamie Larter | (M) Senior | | Sprint |
|
|
| 300 | Jana Sachlova
Westminster Lodge Go Tri
| (F) Veteran40 | Westminster Lodge Go Tri | Sprint |
|
| Club | Distance |
| Westminster Lodge Go Tri | Sprint |
|
| 9 | Jason Ash | (M) Veteran40 | | Standard |
|
|
| 196 | Jason Knight
Thomas's Dads for Duchenne
| (M) Veteran40 | Thomas's Dads for Duchenne | Standard |
|
| Club | Distance |
| Thomas's Dads for Duchenne | Standard |
|
| 247 | Jason Mott | (M) Senior | | Sprint |
|
|
| 344 | Jean-Christophe Vangenot | (M) Veteran40 | | Sprint |
|
|
| 71 | Jennifer Crane
Thomas's for Duchenne
| (F) Senior | Thomas's for Duchenne | Sprint |
|
| Club | Distance |
| Thomas's for Duchenne | Sprint |
|
| 103 | Jeremy Ensor | (M) Veteran40 | | Standard |
|
|
| 256 | Jeremy Orbell | (M) Veteran50 | | Standard |
|
|
| 129 | Jessica Giraldo
Bloomberg
| (F) Senior | Bloomberg | Sprint |
|
| Club | Distance |
| Bloomberg | Sprint |
|
| 226 | Jessica Mason
Cambridge University Triathlon Club
| (F) Senior | Cambridge University Triathlon . | Standard |
|
| Club | Distance |
| Cambridge University Triathlon . | Standard |
|
| 209 | Jim Lewis | (M) Veteran50 | | Sprint |
|
|
| 54 | Jimmeh Charatan | (M) Veteran50 | | Sprint |
|
|
| 31 | Jo Blackshaw
Thomas's for Duchenne
| (F) Veteran40 | Thomas's for Duchenne | Standard |
|
| Club | Distance |
| Thomas's for Duchenne | Standard |
|
| 130 | Jo Godfrey | (F) Senior | | Supersprint |
|
| Club | Distance |
| - | Supersprint |
|
| 322 | Jocelyn Stevens | (F) Senior | | Sprint |
|
|
| 63 | John Conlon | (M) Senior | | Sprint |
|
|
| 73 | John Crosp
Newmarket Tri
| (M) Veteran40 | Newmarket Tri | Sprint |
|
| Club | Distance |
| Newmarket Tri | Sprint |
|
| 104 | John Evans
Thomas's Dads for Duchenne
| (M) Veteran40 | Thomas's Dads for Duchenne | Standard |
|
| Club | Distance |
| Thomas's Dads for Duchenne | Standard |
|
| 409 | John Goodege | (M) Veteran40 | | Standard |
|
|
| 240 | John Metcalfe | (M) Veteran50 | | Sprint |
|
|
| 275 | John Piggott
VCT
| (M) Veteran40 | VCT | Standard |
|
|
| 262 | Jon Parnell
Thomas's Dads for Duchenne
| (M) Veteran40 | Thomas's Dads for Duchenne | Standard |
|
| Club | Distance |
| Thomas's Dads for Duchenne | Standard |
|
| 317 | Jon Slight | (M) Senior | | Sprint |
|
|
| 49 | Jonathan Capanda | (M) Senior | | Sprint |
|
|
| 59 | Jonathan Coates | (M) Senior | | Sprint |
|
|
| 61 | Jonathan Cole | (M) Veteran40 | | Sprint |
|
|
| 70 | Jonathan Crane
Thomas's Dads for Duchenne
| (M) Senior | Thomas's Dads for Duchenne | Sprint |
|
| Club | Distance |
| Thomas's Dads for Duchenne | Sprint |
|
| 160 | Jonathan Holland | (M) Senior | | Standard |
|
|
| 335 | Jonathan Thompson
Army Triathlon Association
| (M) Senior | Army Triathlon Association | Sprint |
|
| Club | Distance |
| Army Triathlon Association | Sprint |
|
| 188 | Jordan Kennedy | (M) Senior | | Standard |
|
|
| 313 | Jordan Simmons
Northants Tri
| (M) Senior | Northants Tri | Standard |
|
| Club | Distance |
| Northants Tri | Standard |
|
| 248 | Joseph Murphy
Clapham Chasers
| (M) Senior | Clapham Chasers | Sprint |
|
| Club | Distance |
| Clapham Chasers | Sprint |
|
| 272 | Josie Phillamore | (F) Senior | | Sprint |
|
|
