Debutants
Remco Evenepoel is the youngest debutant in World Championships in 2019. There are 43 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | EVENEPOEL Remco | Belgium | 19y + 247d |
| 2 | POGAČAR Tadej | Slovenia | 21y + 8d |
| 3 | HIRSCHI Marc | Switzerland | 21y + 36d |
| 4 | BARAĆ Antonio | Croatia | 22y + 253d |
| 5 | NATAROV Yuriy | Kazakhstan | 22y + 275d |
| 6 | KURIANOV Stepan | Russia | 22y + 296d |
| 7 | DE BOD Stefan | South Africa | 22y + 316d |
| 8 | HODEG Álvaro José | Colombia | 23y + 13d |
| 9 | OLIVEIRA Rui | Portugal | 23y + 24d |
| 10 | POWLESS Neilson | United States | 23y + 26d |
| 11 | DUNBAR Eddie | Ireland | 23y + 28d |
| 12 | PADUN Mark | Ukraine | 23y + 85d |
| 13 | GIDICH Yevgeniy | Kazakhstan | 23y + 133d |
| 14 | VLASOV Aleksandr | Russia | 23y + 159d |
| 15 | DINA Márton | Hungary | 23y + 171d |
| 16 | ERIKSSON Lucas | Sweden | 23y + 172d |
| 17 | PEDERSEN Casper | Denmark | 23y + 198d |
| 18 | CEPEDA Jefferson Alveiro | Ecuador | 23y + 211d |
| 19 | CULLY Ján Andrej | Slovakia | 23y + 294d |
| 20 | GARCÍA CORTINA Iván | Spain | 23y + 313d |
| 21 | COSNEFROY Benoît | France | 23y + 347d |
| 22 | CAVAGNA Rémi | France | 24y + 50d |
| 23 | TOWNSEND Rory | Ireland | 24y + 91d |
| 24 | PER David | Slovenia | 24y + 228d |
| 25 | VAN DER POEL Mathieu | Netherlands | 24y + 253d |
| 26 | PERRY Benjamin | Canada | 25y + 206d |
| 27 | ACKERMANN Pascal | Germany | 25y + 255d |
| 28 | SÉNÉCHAL Florian | France | 26y + 81d |
| 29 | EVTUSHENKO Alexander | Russia | 26y + 91d |
| 30 | KOCH Jonas | Germany | 26y + 96d |
| 31 | CAICEDO Jonathan Klever | Ecuador | 26y + 154d |
| 32 | COETZEE Drikus | Namibia | 26y + 167d |
| 33 | LIEPIŅŠ Emīls | Latvia | 26y + 335d |
| 34 | GROSU Eduard-Michael | Romania | 27y + 25d |
| 35 | TEUNISSEN Mike | Netherlands | 27y + 35d |
| 36 | BERNARD Julien | France | 27y + 196d |
| 37 | PICCOLI James | Canada | 28y + 24d |
| 38 | LAMPAERT Yves | Belgium | 28y + 172d |
| 39 | PERNSTEINER Hermann | Austria | 29y + 53d |
| 40 | CIMOLAI Davide | Italy | 30y + 47d |
| 41 | DECLERCQ Tim | Belgium | 30y + 192d |
| 42 | HAAS Nathan | Australia | 30y + 201d |
| 43 | ARCHBOLD Shane | New Zealand | 30y + 239d |