Debutants
Roman Kreuziger is the youngest debutant in World Championships in 2006. There are 61 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | KREUZIGER Roman | Czech Republic | 20y + 141d |
| 2 | ROCHE Nicolas | Ireland | 22y + 83d |
| 3 | FARRAR Tyler | United States | 22y + 114d |
| 4 | MARCZYŃSKI Tomasz | Poland | 22y + 202d |
| 5 | RABOŇ František | Czech Republic | 22y + 363d |
| 6 | DEIGNAN Philip | Ireland | 23y + 17d |
| 7 | MONTENEGRO Jorge Martín | Argentina | 23y + 140d |
| 8 | BEPPU Fumiyuki | Japan | 23y + 167d |
| 9 | CANO Alex | Colombia | 23y + 195d |
| 10 | RAMOS José Antonio | Venezuela | 23y + 209d |
| 11 | SOLER Juan Mauricio | Colombia | 23y + 253d |
| 12 | PETROV Daniel Bogomilov | Bulgaria | 23y + 328d |
| 13 | GERDEMANN Linus | Germany | 24y + 8d |
| 14 | LILL Darren | South Africa | 24y + 35d |
| 15 | VENTOSO Francisco José | Spain | 24y + 141d |
| 16 | SIEBERG Marcel | Germany | 24y + 147d |
| 17 | RUJANO José Humberto | Venezuela | 24y + 218d |
| 18 | MAREŠ Martin | Czech Republic | 24y + 244d |
| 19 | KOHL Bernhard | Austria | 24y + 263d |
| 20 | RAUDSEPP Tarmo | Estonia | 24y + 294d |
| 21 | EFIMKIN Alexander | Russia | 24y + 296d |
| 22 | OJAVEE Mart | Estonia | 24y + 319d |
| 23 | ALDAPE Moises Antonio | Mexico | 25y + 41d |
| 24 | ZAGORODNII Vladimir | Ukraine | 25y + 89d |
| 25 | ZAUGG Oliver | Switzerland | 25y + 138d |
| 26 | KNEES Christian | Germany | 25y + 203d |
| 27 | BOŽIČ Borut | Slovenia | 26y + 47d |
| 28 | STEWART Jackson | United States | 26y + 86d |
| 29 | KOZUBEK Stanislav | Czech Republic | 26y + 107d |
| 30 | LOOSLI David | Switzerland | 26y + 139d |
| 31 | STARCHYK Volodymyr | Ukraine | 26y + 164d |
| 32 | FLORENCIO Xavier | Spain | 26y + 272d |
| 33 | BALLAN Alessandro | Italy | 26y + 322d |
| 34 | KAIRELIS Dainius | Lithuania | 26y + 364d |
| 35 | JOLY Sébastien | France | 27y + 91d |
| 36 | VOECKLER Thomas | France | 27y + 94d |
| 37 | MIHOLJEVIĆ Hrvoje | Croatia | 27y + 108d |
| 38 | SZCZAWIŃSKI Krzysztof | Poland | 27y + 118d |
| 39 | RODRÍGUEZ Joaquim | Spain | 27y + 135d |
| 40 | DOWNING Russell | Great Britain | 28y + 32d |
| 41 | RODRIGUES José Carlos Silva | Portugal | 28y + 82d |
| 42 | BONILLA José Adrián | Costa Rica | 28y + 149d |
| 43 | BUCHÁČEK Tomáš | Czech Republic | 28y + 201d |
| 44 | SÁNCHEZ Samuel | Spain | 28y + 231d |
| 45 | PETROV Danail Andonov | Bulgaria | 28y + 231d |
| 46 | TJALLINGII Maarten | Netherlands | 28y + 323d |
| 47 | NOCENTINI Rinaldo | Italy | 28y + 364d |
| 48 | HOSTE Leif | Belgium | 29y + 69d |
| 49 | KIENDYŚ Tomasz | Poland | 29y + 93d |
| 50 | KOVÁČ Maroš | Slovakia | 29y + 166d |
| 51 | BRONIŠ Roman | Slovakia | 29y + 342d |
| 52 | MEDINA Manuel Eduardo | Venezuela | 30y + 72d |
| 53 | RASCH Gabriel | Norway | 30y + 169d |
| 54 | NODERA Hidenori | Japan | 31y + 109d |
| 55 | BRUSEGHIN Marzio | Italy | 32y + 101d |
| 56 | HINAULT Sébastien | France | 32y + 225d |
| 57 | SAWADOGO Abdul Wahab | Burkina Faso | 32y + 265d |
| 58 | GOHR Soelito | Brazil | 33y + 10d |
| 59 | KIRILOV TCHANLIEV Svetoslav | Bulgaria | 33y + 52d |
| 60 | OUEDRAOGO Rabaki Jérémie | Burkina Faso | 33y + 266d |
| 61 | ROUAMBA Saidou | Burkina Faso | 38y + 87d |