Statistics on Geert-Jan Jonkman and Sipke Zijlstra. Swap order. Use the search box to compare to other riders.
Geert-Jan Jonkman
0.0%
vs
Sipke Zijlstra
100.0%
Key info
| Geert-Jan Jonkman | Sipke Zijlstra | |
|---|---|---|
| 41 | Age | 40 |
| Netherlands | Nation | Netherlands |
| First pro season | ||
| 0 | Pro seasons | 0 |