Fastest stages
| Nr. | Average speed (km/h) | Stage | KM | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 41.05 | Stage 4 | Fribourg - Fribourg | 174 | 2500 | |
| 2 | 40.52 | Stage 1 | Brigerbad - Sion | 88.6 | 1012 | |
| 3 | 39.59 | Stage 2 | Sion - Montreux | 166.5 | 1834 | |
| 4 | 34.95 | Stage 3 | Le Bouveret - Aigle | 180.2 | 3768 |