Info
| Last name | Prinsen |
| First name | Ad |
| Nationality |  Netherlands |
| Date of birth | 21-09-1954 |
| Age | 71 |
| Place of birth | Raamsdonkveer |
Grand tours
| Year | Giro d'Italia | Tour de France | Vuelta a España |
|---|---|---|---|
| 1978 | - | - | DNF |
Results
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| Ronde van Nederland (2.3) | |||||||
| 23 |  Standings | ||||||
| 20-08 | Stage 5bGoes - Goes (21.0km) | ||||||
 Vuelta a España (2.HC) | |||||||
| 09-05 | DNF | Stage 14Jaca - Logroño (219.0km) | |||||
| 01-05 | 3 | Stage 6Torrelaguna - Torrejon (46.0km) | |||||
| 30-04 | 3 | Stage 5Valladolid - Ávila (136.0km) | |||||
| 29-04 | 3 | Stage 4León - Valladolid (171.0km) | |||||
| 26-04 | 2 | Stage 1Gijón - Gijón (144.0km) | |||||
| 02-04 | 9 |  Dwars door België (1.1) | |||||
Teams
| Year | Team |
|---|---|
| 1979 | Fangio - Iso-Bel |
| 1978 | Bode deuren - Shimano |
Victories
| This year | 0 |
| Total | 0 |