Debutants
Youngest debutants in Tour Down Under in 2018. There are 37 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | BERNAL Egan | Team Sky | 21y + 3d |
| 2 | PORTER Alexander | UniSA-Australia | 21y + 248d |
| 3 | CASTRILLO Jaime | Movistar Team | 21y + 309d |
| 4 | WELSFORD Sam | UniSA-Australia | 21y + 362d |
| 5 | LAWLESS Chris | Team Sky | 22y + 73d |
| 6 | OOMEN Sam | Team Sunweb | 22y + 154d |
| 7 | DLAMINI Nic | Team Dimension Data | 22y + 157d |
| 8 | DAVIES Scott | Team Dimension Data | 22y + 164d |
| 9 | MINALI Riccardo | Astana Pro Team | 22y + 272d |
| 10 | BOWDEN Scott | UniSA-Australia | 22y + 287d |
| 11 | OWEN Logan | Team EF Education First - Drapac p/b Cannondale | 22y + 297d |
| 12 | EG Niklas | Trek - Segafredo | 23y + 10d |
| 13 | CONSONNI Simone | UAE Team Emirates | 23y + 126d |
| 14 | BICO Nuno | Movistar Team | 23y + 197d |
| 15 | WÜRTZ SCHMIDT Mads | Team Katusha Alpecin | 23y + 291d |
| 16 | PETERS Nans | AG2R La Mondiale | 23y + 310d |
| 17 | DENZ Nico | AG2R La Mondiale | 23y + 335d |
| 18 | DIBBEN Jonathan | Team Sky | 23y + 338d |
| 19 | BOHLI Tom | BMC Racing Team | 23y + 364d |
| 20 | LATOUR Pierre | AG2R La Mondiale | 24y + 96d |
| 21 | KORSÆTH Truls Engen | Astana Pro Team | 24y + 122d |
| 22 | SÉNÉCHAL Florian | Quick-Step Floors | 24y + 190d |
| 23 | HOELGAARD Daniel | Groupama - FDJ | 24y + 199d |
| 24 | FRAME Alex | Trek - Segafredo | 24y + 212d |
| 25 | DOULL Owain | Team Sky | 24y + 259d |
| 26 | OLIVIER Daan | Team LottoNL-Jumbo | 25y + 53d |
| 27 | TEUNISSEN Mike | Team Sunweb | 25y + 144d |
| 28 | CANTY Brendan | Team EF Education First - Drapac p/b Cannondale | 25y + 364d |
| 29 | WIŚNIOWSKI Łukasz | Team Sky | 26y + 40d |
| 30 | DUCHESNE Antoine | Groupama - FDJ | 26y + 126d |
| 31 | NAVARDAUSKAS Ramūnas | Bahrain Merida Pro Cycling Team | 29y + 351d |
| 32 | OSS Daniel | BORA - hansgrohe | 31y + 3d |
| 33 | COSTA Rui | UAE Team Emirates | 31y + 103d |
| 34 | MØRKØV Michael | Quick-Step Floors | 32y + 261d |
| 35 | BEPPU Fumiyuki | Trek - Segafredo | 34y + 281d |
| 36 | WYNANTS Maarten | Team LottoNL-Jumbo | 35y + 248d |
| 37 | MORENO Daniel | Team EF Education First - Drapac p/b Cannondale | 36y + 133d |