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 | |||||
|---|---|---|---|---|---|---|---|
| 25-08 | 27 |  Grote Scheldeprijs Schoten (1.1) | |||||
 Tour de France (2.HC) | |||||||
| 05-07 | DNQ | Stage 2Meudon - Saint-Quentin-en-Yvelines (56.0km) | |||||
| 05-07 | 109 | Stage 1Nanterre - Sceaux (85.0km) | |||||
| 04-07 | 199 | PrologueBoulogne-Billancourt - Boulogne-Billancourt (4.0km) | |||||
| 22-06 | 7 | National Road Championships - Netherlands (CN) | |||||
| 26-04 | 29 | Amstel Gold Race (CDM) | |||||
| 22-03 | 27 | E3 Prijs Harelbeke (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 |