Info
| Last name | Nassen |
| First name | Pieter |
| Nationality |  Belgium |
| Date of birth | 16-01-1944 |
| Age | 81 |
| Place of birth | Riemst |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 10-08 | 1 | Buggenhout-Opstal (Nat) | |||||
 Tour de France (2.HC) | |||||||
| 01-07 | 24 | Stage 1aScheveningen - Rotterdam (84.0km) | |||||
| 01-07 | 14 | Stage 1bRotterdam - Sint-Niklaas (137.0km) | |||||
| 30-06 | 70 | PrologueScheveningen - Scheveningen (7.0km) | |||||
 Vuelta a España (2.HC) | |||||||
| 43 |  Standings | ||||||
| 3 |  Points | ||||||
| 13-05 | Stage 17bHernani - San Sebastián (10.0km) | ||||||
| 13-05 | 2 | Stage 17aMiranda de Ebro - Tolosa (127.0km) | |||||
| 08-05 | 2 | Stage 12Manresa - Zaragoza (259.0km) | |||||
| 05-05 | 3 | Stage 9bBarcelona - Barcelona (38.0km) | |||||
| 01-05 | 3 | Stage 5Cuenca - Teruel (191.0km) | |||||
| 29-04 | 1 | Stage 3Albacete - Alcázar de San Juan (146.0km) | |||||
| 27-04 | 1 | Stage 1Calpe - Murcia (187.0km) | |||||
Teams
| Year | Team |
|---|---|
| 1973 |  Rokado - de Gribaldy |
| 1972 | Watney - Avia |
| 1971 | Flandria - Mars |
| 1970 | Flandria - Mars |
| 1969 | Flandria - De Clercq - Kruger |
| 1968 | Flandria - De Clercq - Kruger |
| 1967 | Okay Whisky - Diamant |
Victories
| This year | 0 |
| Total | 4 |