| Bibno. | Participant | Club/Company | Distance |
| 156 | Evie Elson
Thames Valley Tristars
| Thames Valley Tristars | Youth |
|
| Club/Company | Distance |
| Thames Valley Tristars | Youth |
|
| 194 | Evie Elson
Thames Valley Tristars
| Thames Valley Tristars | Youth |
|
| Club/Company | Distance |
| Thames Valley Tristars | Youth |
|
| 70 | Ewan Shayler | | Tristar 2 |
|
| Club/Company | Distance |
| - | Tristar 2 |
|
| 47 | Felicity Croucher
Young Athletes Club
| Young Athletes Club | Tristar 2 |
|
| Club/Company | Distance |
| Young Athletes Club | Tristar 2 |
|
| 5 | Felix Cassidy
Bicester Junior Triathlon Club
| Bicester Junior Triathlon Club | Tristar |
|
| Club/Company | Distance |
| Bicester Junior Triathlon Club | Tristar |
|
| 33 | Francesca Buttery | | Tristar 1 |
|
| Club/Company | Distance |
| - | Tristar 1 |
|
| 64 | Frazer Waghorn
Chapel Tri Junior Triathlon Club
| Chapel Tri Junior Triathlon Clu. | Tristar 2 |
|
| Club/Company | Distance |
| Chapel Tri Junior Triathlon Clu. | Tristar 2 |
|
| 84 | Freddie Howchin | | Tristar 2 |
|
| Club/Company | Distance |
| - | Tristar 2 |
|
| 2 | Frederic Allen | | Tristar |
|
| Club/Company | Distance |
| - | Tristar |
|
| 93 | Freya Harris
Walden Junior Tri
| Walden Junior Tri | Tristar 2 |
|
| Club/Company | Distance |
| Walden Junior Tri | Tristar 2 |
|
| 161 | George Bissett | | Youth |
|
| Club/Company | Distance |
| - | Youth |
|
| 149 | George Jennings
Walden Junior Tri
| Walden Junior Tri | Tristar 3 |
|
| Club/Company | Distance |
| Walden Junior Tri | Tristar 3 |
|
| 73 | Georgina Rudland
Phoenix Tri MK
| Phoenix Tri MK | Tristar 2 |
|
| Club/Company | Distance |
| Phoenix Tri MK | Tristar 2 |
|
| 139 | German Dubs
Tri MK
| Tri MK | Tristar 3 |
|
| Club/Company | Distance |
| Tri MK | Tristar 3 |
|
| 63 | Hal Butler | | Tristar 2 |
|
| Club/Company | Distance |
| - | Tristar 2 |
|
| 105 | Hannah Campbell
Beachborough Triathlon Club
| Beachborough Triathlon Club | Tristar 3 |
|
| Club/Company | Distance |
| Beachborough Triathlon Club | Tristar 3 |
|
| 148 | Harrison Newman
Beachborough Triathlon Club
| Beachborough Triathlon Club | Tristar 3 |
|
| Club/Company | Distance |
| Beachborough Triathlon Club | Tristar 3 |
|
| 94 | Harrison Pearson
BRJ
| BRJ | Tristar 2 |
|
| Club/Company | Distance |
| BRJ | Tristar 2 |
|
| 69 | Harry Lawley
Team MK
| Team MK | Tristar 2 |
|
| Club/Company | Distance |
| Team MK | Tristar 2 |
|
| 162 | Harry Roebuck | | Youth |
|
| Club/Company | Distance |
| - | Youth |
|
| 36 | Henry Murray
Chapel Tri Junior Triathlon Club
| Chapel Tri Junior Triathlon Clu. | Tristar 1 |
|
| Club/Company | Distance |
| Chapel Tri Junior Triathlon Clu. | Tristar 1 |
|
| 44 | Henry Phillips | | Tristar 1 |
|
| Club/Company | Distance |
| - | Tristar 1 |
|
| 23 | Holly King
Team MK
| Team MK | Tristar 1 |
|
| Club/Company | Distance |
| Team MK | Tristar 1 |
|
| 80 | Honor Campbell
Winchester & District Junior Triathlon
| Winchester & District Junior Tr. | Tristar 2 |
|
| Club/Company | Distance |
| Winchester & District Junior Tr. | Tristar 2 |
|
| 99 | Immy Bailey
Team MK
| Team MK | Tristar 2 |
|
| Club/Company | Distance |
| Team MK | Tristar 2 |
|
| 147 | Iona Kynaston
Team MK
| Team MK | Tristar 3 |
|
| Club/Company | Distance |
| Team MK | Tristar 3 |
|
| 121 | Isaac Mitcham | | Tristar 3 |
|
| Club/Company | Distance |
| - | Tristar 3 |
|
| 38 | Isabelle Mason
Team MK
| Team MK | Tristar 1 |
|
| Club/Company | Distance |
| Team MK | Tristar 1 |
|
| 169 | Isabelle Price | | Youth |
|
| Club/Company | Distance |
| - | Youth |
|
| 89 | Isla Kynaston
Team MK
| Team MK | Tristar 2 |
|
| Club/Company | Distance |
| Team MK | Tristar 2 |
|
| 53 | Isla Widdowson
Colchester Harriers AC
| Colchester Harriers AC | Tristar 2 |
|
| Club/Company | Distance |
| Colchester Harriers AC | Tristar 2 |
|
| 35 | Isobel Haigh | | Tristar 1 |
|
| Club/Company | Distance |
| - | Tristar 1 |
|
| 151 | Jack Lennox
Team MK
| Team MK | Tristar 3 |
|
| Club/Company | Distance |
| Team MK | Tristar 3 |
|
| 167 | Jake Sams
Phoenix Tri MK
| Phoenix Tri MK | Youth |
|
| Club/Company | Distance |
| Phoenix Tri MK | Youth |
|
| 14 | James Clarke
Colchester Harriers AC
| Colchester Harriers AC | Tristar 1 |
|
| Club/Company | Distance |
| Colchester Harriers AC | Tristar 1 |
|
| 142 | James Spencer
Chapel Tri Junior Triathlon Club
| Chapel Tri Junior Triathlon Clu. | Tristar 3 |
|
| Club/Company | Distance |
| Chapel Tri Junior Triathlon Clu. | Tristar 3 |
|
| 7 | Jamie Hartwell
Team MK
| Team MK | Tristar 1 |
|
| Club/Company | Distance |
| Team MK | Tristar 1 |
|
| 118 | Jarryd Claydon-Folley
Beachborough Triathlon Club
| Beachborough Triathlon Club | Tristar 3 |
|
| Club/Company | Distance |
| Beachborough Triathlon Club | Tristar 3 |
|
| 112 | Jasper Greenhalgh
Team MK
| Team MK | Tristar 3 |
|
| Club/Company | Distance |
| Team MK | Tristar 3 |
|
| 83 | Jesse Mccallum
Beachborough Triathlon Club
| Beachborough Triathlon Club | Tristar 2 |
|
| Club/Company | Distance |
| Beachborough Triathlon Club | Tristar 2 |
|
| 57 | Jessica Plummer
Team MK
| Team MK | Tristar 2 |
|
| Club/Company | Distance |
| Team MK | Tristar 2 |
|
| 1 | Jonah Cohen
Reading Rascals
| Reading Rascals | Tristar |
|
| Club/Company | Distance |
| Reading Rascals | Tristar |
|
| 61 | Joshua Hall
Beachborough Triathlon Club
| Beachborough Triathlon Club | Tristar 2 |
|
| Club/Company | Distance |
| Beachborough Triathlon Club | Tristar 2 |
|
| 6 | Joshua Kuijten
Team Kennet
| Team Kennet | Tristar |
|
| Club/Company | Distance |
| Team Kennet | Tristar |
|
| 137 | Kaitlin Baitson
Team MK
| Team MK | Tristar 3 |
|
| Club/Company | Distance |
| Team MK | Tristar 3 |
|
| 122 | Kali Ruffell-Moreira
Winchester & District Junior Triathlon
| Winchester & District Junior Tr. | Tristar 3 |
|
| Club/Company | Distance |
| Winchester & District Junior Tr. | Tristar 3 |
|
| 154 | Katie Lambert
Team MK
| Team MK | Youth |
|
| Club/Company | Distance |
| Team MK | Youth |
|
| 95 | Katie Lennox
Team MK
| Team MK | Tristar 2 |
|
| Club/Company | Distance |
| Team MK | Tristar 2 |
|
| 85 | Katie Webb
Team MK
| Team MK | Tristar 2 |
|
| Club/Company | Distance |
| Team MK | Tristar 2 |
|
| 42 | Katie-Louise Gibbard
Beachborough Triathlon Club
| Beachborough Triathlon Club | Tristar 1 |
|
| Club/Company | Distance |
| Beachborough Triathlon Club | Tristar 1 |
|
