Debutants
Kevin Vermaerke is the youngest debutant in Liège - Bastogne - Liège in 2021. There are 47 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | VERMAERKE Kevin | Team DSM | 20y + 191d |
| 2 | LEKNESSUND Andreas | Team DSM | 21y + 339d |
| 3 | GRIGNARD Sébastien | Lotto Soudal | 21y + 361d |
| 4 | SUTER Joel | Bingoal Pauwels Sauces WB | 22y + 182d |
| 5 | CARR Simon | EF Education - Nippo | 22y + 239d |
| 6 | APERS Ruben | Sport Vlaanderen - Baloise | 22y + 243d |
| 7 | ALMEIDA João | Deceuninck - Quick Step | 22y + 263d |
| 8 | HERREGODTS Rune | Sport Vlaanderen - Baloise | 22y + 272d |
| 9 | COLMAN Alex | Sport Vlaanderen - Baloise | 22y + 277d |
| 10 | WIRTGEN Luc | Bingoal Pauwels Sauces WB | 22y + 292d |
| 11 | MCNULTY Brandon | UAE Team Emirates | 23y + 23d |
| 12 | MONIQUET Sylvain | Lotto Soudal | 23y + 101d |
| 13 | HIGUITA Sergio | EF Education - Nippo | 23y + 267d |
| 14 | GUERNALEC Thibault | Team Arkéa Samsic | 23y + 268d |
| 15 | VANHOUCKE Harm | Lotto Soudal | 23y + 312d |
| 16 | RIOU Alan | Team Arkéa Samsic | 24y + 23d |
| 17 | RIKUNOV Petr | Gazprom - RusVelo | 24y + 60d |
| 18 | HONORÉ Mikkel Frølich | Deceuninck - Quick Step | 24y + 94d |
| 19 | DE BOD Stefan | Astana - Premier Tech | 24y + 159d |
| 20 | PADUN Mark | Bahrain - Victorious | 24y + 293d |
| 21 | ROCHAS Rémy | Cofidis | 24y + 342d |
| 22 | BENNETT Sean | Team Qhubeka ASSOS | 25y + 25d |
| 23 | HAMILTON Lucas | Team BikeExchange | 25y + 72d |
| 24 | VELASCO Simone | Gazprom - RusVelo | 25y + 144d |
| 25 | KNOX James | Deceuninck - Quick Step | 25y + 172d |
| 26 | ARANBURU Alex | Astana - Premier Tech | 25y + 218d |
| 27 | HERMANS Quinten | Intermarché - Wanty - Gobert Matériaux | 25y + 270d |
| 28 | ROTA Lorenzo | Intermarché - Wanty - Gobert Matériaux | 25y + 337d |
| 29 | FABBRO Matteo | BORA - hansgrohe | 26y + 15d |
| 30 | EG Niklas | Trek - Segafredo | 26y + 109d |
| 31 | SAGIV Guy | Israel Start-Up Nation | 26y + 141d |
| 32 | SERRANO Gonzalo | Movistar Team | 26y + 251d |
| 33 | TUSVELD Martijn | Team DSM | 27y + 228d |
| 34 | CARAPAZ Richard | INEOS Grenadiers | 27y + 331d |
| 35 | CAICEDO Jonathan Klever | EF Education - Nippo | 27y + 362d |
| 36 | DE WINTER Ludwig | Intermarché - Wanty - Gobert Matériaux | 28y + 115d |
| 37 | SHALUNOV Evgeny | Gazprom - RusVelo | 29y + 107d |
| 38 | ARNDT Nikias | Team DSM | 29y + 158d |
| 39 | ARU Fabio | Team Qhubeka ASSOS | 30y + 296d |
| 40 | NAKANE Hideto | EF Education - Nippo | 30y + 358d |
| 41 | CHERNETSKI Sergei | Gazprom - RusVelo | 31y + 16d |
| 42 | MAS Lluís | Movistar Team | 31y + 192d |
| 43 | JANSSENS Jimmy | Alpecin - Fenix | 31y + 330d |
| 44 | BOIVIN Guillaume | Israel Start-Up Nation | 31y + 335d |
| 45 | WALSLEBEN Philipp | Alpecin - Fenix | 33y + 157d |
| 46 | HAUSSLER Heinrich | Bahrain - Victorious | 37y + 59d |
| 47 | SCHILLINGER Andreas | BORA - hansgrohe | 37y + 286d |