Debutants
Kristijan Đurasek is the youngest debutant in World Championships in 2007. There are 64 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | ĐURASEK Kristijan | Croatia | 20y + 66d |
| 2 | CIOLEK Gerald | Germany | 21y + 11d |
| 3 | KOLESNIKOV Sergey | Russia | 21y + 27d |
| 4 | KIŠERLOVSKI Robert | Croatia | 21y + 52d |
| 5 | GESINK Robert | Netherlands | 21y + 122d |
| 6 | DEVINE John | United States | 21y + 332d |
| 7 | WALKER William | Australia | 21y + 334d |
| 8 | GRABOVSKYY Dmytro | Ukraine | 22y + 0d |
| 9 | SCHLECK Andy | Luxembourg | 22y + 112d |
| 10 | CAVENDISH Mark | Great Britain | 22y + 132d |
| 11 | VAN AVERMAET Greg | Belgium | 22y + 136d |
| 12 | LANGEVELD Sebastian | Netherlands | 22y + 256d |
| 13 | IMPEY Daryl | South Africa | 22y + 298d |
| 14 | SINICINAS Romas | Lithuania | 22y + 309d |
| 15 | LOWE Trent | Australia | 22y + 357d |
| 16 | ARASHIRO Yukiya | Japan | 23y + 8d |
| 17 | SØRENSEN Chris Anker | Denmark | 23y + 25d |
| 18 | BRESCHEL Matti | Denmark | 23y + 30d |
| 19 | SEYED REZAEI KHORMIZI Seyed Mostafa | Iran | 23y + 55d |
| 20 | DIDIER Laurent | Luxembourg | 23y + 73d |
| 21 | DOTTI Juan Pablo | Argentina | 23y + 98d |
| 22 | ZIELIŃSKI Piotr | Poland | 23y + 150d |
| 23 | FEILLU Romain | France | 23y + 167d |
| 24 | OCHOA Richard | Venezuela | 23y + 228d |
| 25 | MANDRI René | Estonia | 23y + 253d |
| 26 | EVANS Cameron | Canada | 23y + 263d |
| 27 | BURGHARDT Marcus | Germany | 24y + 92d |
| 28 | LLOYD Matthew | Australia | 24y + 129d |
| 29 | JOVANOVIĆ Nebojša | Serbia | 24y + 187d |
| 30 | DÉR Žolt | Serbia | 24y + 189d |
| 31 | TUYCHIEV Vladimir | Uzbekistan | 24y + 191d |
| 32 | RICHEZE Maximiliano | Argentina | 24y + 207d |
| 33 | ROLLIN Dominique | Canada | 24y + 336d |
| 34 | KHALMURATOV Muradjan | Uzbekistan | 25y + 111d |
| 35 | MARTINS Ricardo Manuel Rodrigues | Portugal | 25y + 198d |
| 36 | SPASIC Dragan | Serbia | 25y + 227d |
| 37 | MOINARD Amaël | France | 25y + 240d |
| 38 | HERNANDEZ Andris José | Venezuela | 25y + 262d |
| 39 | BRÔCO Hernâni | Portugal | 26y + 109d |
| 40 | BARREDO Carlos | Spain | 26y + 117d |
| 41 | MORAJKO Jacek | Poland | 26y + 157d |
| 42 | HAEDO Juan José | Argentina | 26y + 247d |
| 43 | ROULSTON Hayden | New Zealand | 26y + 263d |
| 44 | TEN DAM Laurens | Netherlands | 26y + 321d |
| 45 | VENNELL Jeremy | New Zealand | 26y + 359d |
| 46 | DANČULOVIĆ Tomislav | Croatia | 27y + 107d |
| 47 | WILLEMS Frederik | Belgium | 28y + 22d |
| 48 | SERPA José Rodolfo | Colombia | 28y + 166d |
| 49 | ZABRISKIE David | United States | 28y + 261d |
| 50 | KOPP David | Germany | 28y + 268d |
| 51 | LI Fuyu | China | 29y + 144d |
| 52 | SEABRA Renato | Brazil | 29y + 158d |
| 53 | MIYAZAWA Takashi | Japan | 29y + 215d |
| 54 | STARE Matej | Slovenia | 29y + 222d |
| 55 | TUFT Svein | Canada | 30y + 144d |
| 56 | FAHRIDI KOVIJ Mahdi | Iran | 30y + 186d |
| 57 | CHADWICK Glen Alan | New Zealand | 30y + 348d |
| 58 | MOYANO Luis Alejandro | Argentina | 31y + 190d |
| 59 | TONTI Andrea | Italy | 31y + 226d |
| 60 | SAPA Marcin | Poland | 31y + 232d |
| 61 | AUGÉ Stéphane | France | 32y + 298d |
| 62 | ŠIPEKY Ján | Slovakia | 34y + 271d |
| 63 | ETXEBARRIA Unai | Venezuela | 34y + 313d |
| 64 | BERTOLINI Alessandro | Italy | 36y + 65d |