| Participant | Category | Distance |
|---|---|---|
| Jonny Almario | Male Open 18-39 | 62km Ultra Marathon |
| Jono Bell | Male Vet 40-59 | 21km |
| Joseph Warmington | Male Open 18-39 | Pacer |
| Josh Ferris | Male Open 18-39 | 21km |
| Joshua Meier | Male Open 18-39 | 43km Trail Marathon |
| Joy Clements | Female Open 18-39 | 43km Trail Marathon |
| Jude Young | Female Vet 40-59 | 62km Ultra Marathon |
| Judith May | Female Vet 40-59 | 43km Trail Marathon |
| Juergen Oesterle | Male Open 18-39 | 62km Ultra Marathon |
| Julian Matthew | Male Vet 40-59 | 43km Trail Marathon |
| Julie Millar | Female Vet 40-59 | 43km Trail Marathon |
| Justine Fitzmaurice | Female Vet 40-59 | 21km |
| Kahumoana Shedlock | Female Vet 40-59 | 21km |
| Karen Burke | Female Vet 40-59 | 62km Ultra Marathon |
| Karen Leemen | Female Vet 40-59 | 62km Ultra Marathon |
| Kate Becker | Female Vet 40-59 | 21km |
| Kate Southern | Female Open 18-39 | 21km |
| Kate Unwin | Female Open 18-39 | 21km |
| Katie Mac | Female Vet 40-59 | 21km |
| Katreena Daniels | Female Vet 40-59 | 43km Trail Marathon |
| Katrina Fletcher | Female Vet 40-59 | 21km |
| Katrina Walter | Female Vet 40-59 | 43km Trail Marathon |
| Keith Vincent | Male Super Vet 60+ | 43km Trail Marathon |
| Kelly Wheeler | Female Vet 40-59 | 21km |
| Kerry Williams | Female Vet 40-59 | 43km Trail Marathon |
| Ketina Chivasa | Female Vet 40-59 | 62km Ultra Marathon |
| Kieran Gillick | Male Vet 40-59 | 62km Ultra Marathon |
| Kim Len | Male Open 18-39 | 62km Ultra Marathon |
| Kirsty Calman | Female Open 18-39 | 62km Ultra Marathon |
| Kirsty Chinn | Female Vet 40-59 | 43km Trail Marathon |
| Konrad Konlechner | Male Vet 40-59 | 62km Ultra Marathon |
| Kristin Stokes | Female Vet 40-59 | 43km Trail Marathon |
| Kristina Kirk | Female Vet 40-59 | 21km |
| Kunaal Rajpal | Male Open 18-39 | 43km Trail Marathon |
| Kyle Clapperton-Hayes | Male Open 18-39 | 62km Ultra Marathon |
| Lance Walker | Male Vet 40-59 | 43km Trail Marathon |
| Lara Fort | Female Open 18-39 | 21km |
| Laressa Lynch | Female Open 18-39 | 21km |
| Lee Ewington | Male Vet 40-59 | 21km |
| Lee Webber | Male Vet 40-59 | 43km Trail Marathon |
| Lenka Horanska | Female Vet 40-59 | 43km Trail Marathon |
| Leonie de Garnham | Female Vet 40-59 | 43km Trail Marathon |
| Leroy Haerewa | - | Pacer |
| Leslie Alldridge | Male Open 18-39 | 21km |
| Levi Hibbert | Male Open 18-39 | 62km Ultra Marathon |
| Liam Neal | Male Open 18-39 | 21km |
| Liam Scott | Male Open 18-39 | 62km Ultra Marathon |
| Linda Cook | Female Vet 40-59 | 21km |
| Linda Glover | Female Super Vet 60+ | 21km |
| Lindsay Twiss | Female Vet 40-59 | 62km Ultra Marathon |