Fastest stages
| Nr. | Average speed (km/h) | Stage | KM | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 43.99 | Stage 5 | Salou - Vinaroz | 106 | ||
| 2 | 42.73 | Stage 10 | Alcázar de San Juan - Madrid | 173 | ||
| 3 | 42.63 | Stage 3b | Barcelona - Barcelona | 38 | ||
| 4 | 42.51 | Stage 4 | Barcelona - Salou | 108 | ||
| 5 | 41.78 | Stage 2 | Zaragoza - Lérida | 195 | ||
| 6 | 41.75 | Stage 3a | Lérida - Barcelona | 165 | ||
| 7 | 40.7 | Stage 6 | Vinaroz - Valencia | 148 | ||
| 8 | 39.817 | Stage 1a | Zaragoza - Zaragoza | 121 | ||
| 9 | 39.23 | Stage 11 | Madrid - Palencia | 242 | ||
| 10 | 39.09 | Stage 9 | Almansa - Alcázar de San Juan | 230 | ||
| 11 | 38.44 | Stage 7 | Valencia - Benidorm | 144 | ||
| 12 | 37.3 | Stage 14 | Santander - Vitoria | 244 | ||
| 13 | 36.92 | Stage 13 | Gijón - Santander | 203 | ||
| 14 | 36.62 | Stage 8 | Benidorm - Almansa | 167 | ||
| 15 | 35.67 | Stage 16 | Pamplona - San Sebastián | 204 | ||
| 16 | 34.6 | Stage 18 | Tolosa - Bilbao | 206 | ||
| 17 | 33.26 | Stage 12 | Villalón de Campos - Gijón | 236 | ||
| 18 | 0 | Stage 15 | Vitoria - Pamplona | 0 |