Info
| Last name | Jonkman |
| First name | Geert-Jan |
| Nationality |  Netherlands |
| Date of birth | 24-01-1984 |
| Age | 41 |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 29-11 | 9 |  Lotto Zesdaagse Vlaanderen-Gent (1) | |||||
| Delta Tour Zeeland (2.1) | |||||||
| 88 |  Standings | ||||||
| 14-06 | 88 | Stage 2Terneuzen - Terneuzen (185.0km) | |||||
| 13-06 | 144 | Stage 1Middelburg - Goes (181.0km) | |||||
| 12-06 | 131 | PrologueHulst - Hulst (2.0km) | |||||
| 27-03 | 7 |  UCI Cycling World Championships - Track (Team Pursuit) (CM) | |||||
| 07-01 | 10 | Wielerzesdaagse van Rotterdam (2) | |||||
Teams
| Year | Team |
|---|---|
| 2012 | Koga Cycling Team |
| 2007 | Ubbink-Syntec Cycling Team |
Victories
| This year | 0 |
| Total | 0 |