| Bibno. | Participant | Category | Distance |
|---|---|---|---|
| 2254 | James Wigg | (M) Open | Long |
| 2045 | Jamie Goldthorp | (M) Veteran 40 | Middle |
| 2047 | Jamie Gostlow | (M) Open | Middle |
| 2111 | Jan Lasik | (M) Open | Long |
| 2019 | Jane Fanning | (F) Veteran 40 | Long |
| 2142 | Jane Morgan | (F) Veteran 40 | Middle |
| 1978 | Jennifer Coles | (F) Open | Long |
| 1936 | Jess Avison | (F) Open | Middle |
| 2134 | Jesse Meek | (M) Open | Long |
| 2210 | Jessica Stapley | (F) Veteran 40 | Middle |
| 1989 | Jill Crofton-Martin | (F) Veteran 40 | Middle |
| 1973 | Jingyi Chen | (F) Open | Short |
| 1944 | Jo Barratt | (F) Veteran 40 | Long |
| 2029 | Jo Foord | (F) Veteran 50 | Middle |
| 2231 | Jo Tippett | (F) Veteran 50 | Long |
| 2241 | Jo Walker | (F) Veteran 40 | Middle |
| 2125 | Joanna Mann | (F) Open | Middle |
| 1966 | Joanne Carniello | (F) Veteran 40 | Long |
| 2224 | Joao Teodosio | (M) Open | Long |
| 1947 | Joe Baxter | (M) Open | Long |
| 1925 | John Archdale | (M) Open | Long |
| 2035 | John Galani | (M) Veteran 40 | Middle |
| 2059 | John Hammond | (M) Veteran 50 | Long |
| 2013 | John Paul Edwards | (M) Veteran 40 | Middle |
| 2186 | John Ridge | (M) Veteran 50 | Long |
| 2100 | Jonathan Joseph-Horne | (M) Veteran 50 | Long |
| 2151 | Jonny Nicholls | (M) Open | Middle |
| 1993 | Joseph Cusworth | (M) Veteran 40 | Long |
| 1965 | Josh Campbell | (M) Open | Long |
| 1977 | Julian Clements | (M) Veteran 50 | Long |
| 2253 | June Wicks | (F) Veteran 40 | Middle |
| 1957 | Justin Bufton | (M) Veteran 40 | Long |
| 1970 | Kady Cartwright | (F) Open | Middle |
| 2205 | Karen Speed | (F) Veteran 50 | Middle |
| 2207 | Karen Springhall | (F) Veteran 60 | Middle |
| 2217 | Karena Sunley-Jones | (F) Open | Middle |
| 1997 | Karl Davis | (M) Veteran 40 | Long |
| 2110 | Karla Larnder | (F) Veteran 40 | Long |
| 2139 | Kate Moore | (F) Veteran 40 | Long |
| 2238 | Katerina Urquhart | (F) Veteran 40 | Middle |
| 2089 | Katherine Jack | (F) Open | Middle |
| 2127 | Katherine Manston | (F) Veteran 40 | Middle |
| 1945 | Katie Bartlett | (F) Veteran 40 | Middle |
| 2108 | Katie Lambert | (F) Veteran 40 | Middle |
| 2216 | Katie Stripe | (F) Open | Middle |
| 2258 | Keir Wilson | (M) Open | Short |
| 2149 | Keith Nevett | (M) Veteran 40 | Long |
| 2120 | Kemi Mafe | (F) Open | Middle |
| 2154 | Kerry O'Shea | (F) Veteran 40 | Middle |
| 2191 | Kerry Rosenberg | (F) Open | Long |
