Info
| Last name | Theunisse |
| First name | Gert-Jan |
| Nationality |  Netherlands |
| Date of birth | 14-01-1963 |
| Age | 62 |
| Place of birth | Oss |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 18-10 | 28 |  Giro di Lombardia (CDM) | |||||
| 12-10 | 29 |  Paris - Tours (CDM) | |||||
| 18-09 | 3 | Grand Prix d'Isbergues (1.2) | |||||
| 14-09 | 2 | GP de Fourmies (1.1) | |||||
| Ronde van Nederland (2.3) | |||||||
| 5 |  Standings | ||||||
| 23-08 | 10 | Stage 5Sittard-Geleen - Gulpen (186.0km) | |||||
| 22-08 | Stage 4aDen Haag - Nijmegen (152.0km) | ||||||
| 21-08 | 3 | Stage 3Schagen - Den Haag (247.0km) | |||||
| 19-08 | 3 | Stage 1Veenendaal - Assen (140.0km) | |||||
 Ronde van België (2.3) | |||||||
| 16-08 | 3 | Stage 4aRochefort - Spa (101.0km) | |||||
 Vuelta a España (2.HC) | |||||||
| 79 | Standings | ||||||
| 13-05 | Stage 21Jerez de la Frontera - Jerez de la Frontera (22.0km) | ||||||
| 06-05 | 7 | Stage 14Villalba - Leganés (165.0km) | |||||
| 20-04 | 32 | Liège-Bastogne-Liège (CDM) | |||||
| 16-04 | 55 | La Flèche Wallonne (1.1) | |||||
| 23-03 | 6 | De Brabantse Pijl (1.3) | |||||
Teams
| Year | Team |
|---|---|
| 1995 | Collstrop - Lystex |
| 1994 | TVM - Bison Kit |
| 1993 | TVM - Bison Kit |
| 1992 | TVM-Sanyo |
| 1991 | TVM-Sanyo |
| 1990 | Panasonic-Sportlife |
| 1989 | PDM-Ultima-Concorde |
| 1988 | PDM-Ultima-Concorde |
| 1987 | PDM-Ultima-Concorde |
| 1986 | Panasonic |
| 1985 | Panasonic |
| 1984 | Panasonic |
Victories
| This year | 0 |
| Total | 5 |