Fastest stages
| Nr. | Average speed (km/h) | Stage | KM | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 50.919 | Stage 7 | Barcelona - Barcelona | 29.25 | ||
| 2 | 38.87 | Stage 5 | Zaragoza - Lérida | 195 | ||
| 3 | 38.551 | Stage 13 | Madrid - Valladolid | 222 | ||
| 4 | 37.881 | Stage 4 | Pamplona - Zaragoza | 229 | ||
| 5 | 36.82 | Stage 9 | Tortosa - Valencia | 190 | ||
| 6 | 35.18 | Stage 3 | Bayona - Pamplona | 157 | ||
| 7 | 34.807 | Stage 8 | Barcelona - Tortosa | 213 | ||
| 8 | 34.625 | Stage 11 | Cuenca - Madrid | 168 | ||
| 9 | 33.339 | Stage 1 | Bilbao - San Sebastián | 204 | ||
| 10 | 33.134 | Stage 2 | San Sebastián - Bayona | 211 | ||
| 11 | 32.773 | Stage 6 | Lérida - Barcelona | 230 | ||
| 12 | 32.651 | Stage 10 | Valencia - Cuenca | 222 | ||
| 13 | 31.197 | Stage 15 | Bilbao - Bilbao | 147 | ||
| 14 | 29.357 | Stage 14 | Valladolid - Bilbao | 308 |