| 1 | 1989-06-07 | Giro d'Italia | Stage 18 (ITT) | | | DF | | | DF | | 10 | |
| 2 | 1989-05-30 | Giro d'Italia | Stage 10 (ITT) | | | DF | | | DF | | 36 | |
| 3 | 1987-07-26 | Tour de France | Stage 24 (ITT) | | | 134 | | | 115 | | 38 | |
| 4 | 1987-07-19 | Tour de France | Stage 18 (ITT) | | | 136 | | | 53 | | 36.5 | |
| 5 | 1987-07-10 | Tour de France | Stage 10 (ITT) | | | 134 | | | 101 | | 87.5 | |
| 6 | 1987-07-01 | Tour de France | Prologue | | | 146 | | | 91 | | 6.1 | |
| 7 | 1987-06-13 | Giro d'Italia | Stage 22 (ITT) | | | DF | | | DF | | 32 | |
| 8 | 1987-06-04 | Giro d'Italia | Stage 13 (ITT) | | | DF | | | DF | | 46 | |
| 9 | 1987-05-22 | Giro d'Italia | Stage 1b (ITT) | | | DF | | | DF | | 8 | |
| 10 | 1987-05-21 | Giro d'Italia | Prologue | | | DF | | | DF | | 4 | |
| 11 | 1986-07-24 | Tour de France | Stage 20 (ITT) | | | DNS | | | 75 | | 58 | |
| 12 | 1986-07-12 | Tour de France | Stage 9 (ITT) | | | 180 | | | 124 | | 61.5 | |
| 13 | 1986-07-04 | Tour de France | Prologue | | | 123 | | | 119 | | 4.6 | |
| 14 | 1986-05-29 | Giro d'Italia | Stage 18 (ITT) | | | DF | | | DF | | 36 | |
| 15 | 1986-05-23 | Giro d'Italia | Stage 12 (ITT) | | | DF | | | DF | | 46 | |
| 16 | 1986-05-12 | Giro d'Italia | Prologue | | | DF | | | DF | | 1 | |
| 17 | 1985-07-11 | Tour de France | Stage 13 (ITT) | | | 158 | | | 76 | | 31.8 | |
| 18 | 1985-07-06 | Tour de France | Stage 8 (ITT) | | | 163 | | | 14 | | 75 | |
| 19 | 1985-06-28 | Tour de France | Prologue | | | 169 | | | 99 | | 6.8 | |
| 20 | 1984-05-17 | Giro d'Italia | Prologue | | | 90 | | | 108 | | 5 | |
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