Debutants
Ben O'Connor is the youngest debutant in Liège - Bastogne - Liège in 2017. There are 64 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | O'CONNOR Ben | Team Dimension Data | 21y + 149d |
| 2 | BUDDING Martijn | Roompot - Nederlandse Loterij | 21y + 235d |
| 3 | MERTZ Rémy | Lotto Soudal | 21y + 280d |
| 4 | DERUETTE Thomas | WB Veranclassic Aqua Protect | 21y + 291d |
| 5 | GEOGHEGAN HART Tao | Team Sky | 22y + 24d |
| 6 | MAS Enric | Quick-Step Floors | 22y + 106d |
| 7 | HOFSTEDE Lennard | Team Sunweb | 22y + 115d |
| 8 | DANIEL Gregory | Trek - Segafredo | 22y + 166d |
| 9 | MAMYKIN Matvey | Team Katusha Alpecin | 22y + 174d |
| 10 | VAN GESTEL Dries | Sport Vlaanderen - Baloise | 22y + 205d |
| 11 | TROIA Oliviero | UAE Team Emirates | 22y + 234d |
| 12 | KRAGH ANDERSEN Søren | Team Sunweb | 22y + 256d |
| 13 | GUERREIRO Ruben | Trek - Segafredo | 22y + 291d |
| 14 | DE GENDT Aimé | Sport Vlaanderen - Baloise | 22y + 310d |
| 15 | ROBEET Ludovic | WB Veranclassic Aqua Protect | 22y + 336d |
| 16 | JAUREGUI Quentin | AG2R La Mondiale | 23y + 1d |
| 17 | MOSCON Gianni | Team Sky | 23y + 3d |
| 18 | VAN EMPEL Etienne | Roompot - Nederlandse Loterij | 23y + 9d |
| 19 | ARIESEN Tim | Roompot - Nederlandse Loterij | 23y + 34d |
| 20 | DELTOMBE Kevin | Sport Vlaanderen - Baloise | 23y + 55d |
| 21 | PEARSON Daniel | Aqua Blue Sport | 23y + 56d |
| 22 | DECLERCQ Benjamin | Sport Vlaanderen - Baloise | 23y + 78d |
| 23 | LAMMERTINK Steven | Team LottoNL-Jumbo | 23y + 140d |
| 24 | SOLER Marc | Movistar Team | 23y + 152d |
| 25 | GOGL Michael | Trek - Segafredo | 23y + 170d |
| 26 | PIBERNIK Luka | Bahrain Merida Pro Cycling Team | 23y + 182d |
| 27 | DOUBEY Fabien | Wanty - Groupe Gobert | 23y + 184d |
| 28 | LATOUR Pierre | AG2R La Mondiale | 23y + 193d |
| 29 | VAN ROOY Kenneth | Sport Vlaanderen - Baloise | 23y + 197d |
| 30 | WARNIER Antoine | WB Veranclassic Aqua Protect | 23y + 303d |
| 31 | PETILLI Simone | UAE Team Emirates | 23y + 354d |
| 32 | SMITH Dion | Wanty - Groupe Gobert | 24y + 51d |
| 33 | MEIJERS Jeroen | Roompot - Nederlandse Loterij | 24y + 101d |
| 34 | RIESEBEEK Oscar | Roompot - Nederlandse Loterij | 24y + 121d |
| 35 | MCCARTHY Jay | BORA - hansgrohe | 24y + 227d |
| 36 | HOWSON Damien | ORICA-Scott | 24y + 253d |
| 37 | GERTS Floris | BMC Racing Team | 24y + 355d |
| 38 | MEURISSE Xandro | Wanty - Groupe Gobert | 25y + 82d |
| 39 | DUNNE Conor | Aqua Blue Sport | 25y + 91d |
| 40 | PÖSTLBERGER Lukas | BORA - hansgrohe | 25y + 103d |
| 41 | PEYSKENS Dimitri | WB Veranclassic Aqua Protect | 25y + 148d |
| 42 | DE BIE Sean | Lotto Soudal | 25y + 202d |
| 43 | STALNOV Nikita | Astana Pro Team | 25y + 221d |
| 44 | GRMAY Tsgabu | Bahrain Merida Pro Cycling Team | 25y + 241d |
| 45 | DEBESAY Mekseb | Team Dimension Data | 25y + 311d |
| 46 | PEREZ Anthony | Cofidis, Solutions Crédits | 26y + 1d |
| 47 | GUILLEMOIS Romain | Direct Energie | 26y + 26d |
| 48 | GATE Aaron | Aqua Blue Sport | 26y + 148d |
| 49 | CHRISTIAN Mark | Aqua Blue Sport | 26y + 154d |
| 50 | DOMONT Axel | AG2R La Mondiale | 26y + 259d |
| 51 | BILBAO Pello | Astana Pro Team | 27y + 57d |
| 52 | KENNAUGH Peter | Team Sky | 27y + 312d |
| 53 | COUSIN Jérôme | Cofidis, Solutions Crédits | 27y + 322d |
| 54 | COURTEILLE Arnaud | FDJ | 28y + 41d |
| 55 | GONÇALVES José | Team Katusha Alpecin | 28y + 69d |
| 56 | WANG Meiyin | Bahrain Merida Pro Cycling Team | 28y + 118d |
| 57 | VUILLERMOZ Alexis | AG2R La Mondiale | 28y + 326d |
| 58 | PASQUALON Andrea | Wanty - Groupe Gobert | 29y + 111d |
| 59 | SCHÄR Michael | BMC Racing Team | 30y + 206d |
| 60 | KOCHETKOV Pavel | Team Katusha Alpecin | 31y + 47d |
| 61 | MASSON Christophe | WB Veranclassic Aqua Protect | 31y + 229d |
| 62 | BOLE Grega | Bahrain Merida Pro Cycling Team | 31y + 253d |
| 63 | PARDINI Olivier | WB Veranclassic Aqua Protect | 31y + 267d |
| 64 | CARDOSO André | Trek - Segafredo | 32y + 232d |