Info
| Last name | Posthuma |
| First name | Joost |
| Nationality |  Netherlands |
| Date of birth | 08-03-1981 |
| Age | 44 |
| Place of birth | Hengelo |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 14-10 | 120 |  Paris - Tours (PT) | |||||
| 27-09 | 35 |  UCI World Championship Stuttgart TT (WC) | |||||
 Vuelta a España (PT) | |||||||
| 55 |  Standings | ||||||
| 23-09 | Stage 21Rivas-Vaciamadrid - Madrid (104.0km) | ||||||
| 22-09 | 12 | Stage 20Collado Villalba - Collado Villalba (20.0km) | |||||
| 08-09 | 8 | Stage 8Cariñena - Zaragoza (52.0km) | |||||
| Deutschland Tour (PT) | |||||||
| 17-08 | 10 | Stage 8Fürth - Fürth (33.0km) | |||||
| 04-08 | DNF | Clásica Ciclista San Sebastián (PT) | |||||
| Sachsen-Tour International (2.1) | |||||||
| 1 | Standings | ||||||
| 29-07 | Stage 5Dresden - Dresden (158.0km) | ||||||
| 28-07 | 1 | Stage 4Bautzen - Bautzen (37.0km) | |||||
| 26-07 | 19 | Stage 2Markleeberg - Auerbach (207.0km) | |||||
 KBC-Driedaagse De Panne-Koksijde (2.1) | |||||||
| 05-04 | Stage 3De Panne - De Panne (119.0km) | ||||||
| 05-04 | 6 | Stage 4De Panne - Koksijde (11.0km) | |||||
| 04-04 | Stage 2Zottegem - Koksijde (227.0km) | ||||||
| 03-04 | 5 | Stage 1Middelkerke - Zottegem (192.0km) | |||||
| 28-03 | DNF | Dwars door Vlaanderen (1.1) | |||||
| 25-03 | 12 | Ronde van het Groene Hart (1.1) | |||||
| Paris-Nice (PT) | |||||||
| 36 | Standings | ||||||
| 18-03 | Stage 7Nice - Nice (129.0km) | ||||||
| 17-03 | 13 | Stage 6Brignoles - Cannes (200.0km) | |||||
| 11-03 | 10 | PrologueIssy-les-Moulineaux - Issy-les-Moulineaux (4.0km) | |||||
Teams
| Year | Team |
|---|---|
| 2012 |  RadioShack - Nissan |
| 2011 | Team Leopard - Trek |
| 2010 | Rabobank |
| 2009 | Rabobank |
| 2008 | Rabobank |
| 2007 | Rabobank |
| 2006 | Rabobank |
| 2005 | Rabobank |
| 2004 | Rabobank |
| 2003 | Rabobank TT3 |
| 2002 | Rabobank Espoirs |
Victories
| This year | 0 |
| Total | 15 |