Info
| Last name | Siemons |
| First name | Jan |
| Nationality |  Netherlands |
| Date of birth | 26-05-1964 |
| Age | 61 |
| Place of birth | Zundert |
Monuments
| Date | Rank | Race |
|---|---|---|
| 23-09 | 97 |  Paris-Brussel (1.1) |
| 13-08 | 43 |  GP San Sebastian (1.1) |
| 23-04 | 60 | Amstel Gold Race (CDM) |
| 13-04 | 46 | La Flèche Wallonne (1.1) |
| 27-03 | 19 | De Brabantse Pijl (1.3) |
| 24-03 | 15 | Dwars door België (1.1) |
Teams
| Year | Team |
|---|---|
| 1992 | TVM-Sanyo |
| 1991 | TVM-Sanyo |
| 1990 | TVM - Yoko |
| 1989 | TVM - Van Schilt |
| 1988 | TVM - Van Schilt |
| 1987 | PDM-Ultima-Concorde |
| 1986 | PDM-Ultima-Concorde |
Victories
| This year | 0 |
| Total | 0 |