Fastest stages
| Nr. | Average speed (km/h) | Stage | KM | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 44.15 | Stage 4 | Vitoria-Gasteiz - Hondarribia | 189.2 | 2646 | |
| 2 | 43.71 | Stage 5 | Hondarribia - Ondarroa | 160.2 | 2258 | |
| 3 | 41.18 | Stage 2 | Zalla - Sestao | 154.8 | 2616 | |
| 4 | 41.1 | Stage 3 | Amurrio - Ermualde (Laudio) | 167.7 | 2591 | |
| 5 | 36.16 | Stage 6 | Ondarroa - Arrate (Eibar) | 111.9 | 3291 |