Fastest stages
| Nr. | Average speed (km/h) | Stage | KM | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 41.083 | Stage 5 | Vera de Bidasoa - Oñate | 183 | 2997 | |
| 2 | 39.749 | Stage 2 | Güeñes - Vitoria | 165.7 | 2631 | |
| 3 | 38.867 | Stage 1 | Güeñes - Güeñes | 154 | 2703 | |
| 4 | 38.401 | Stage 4 | Éibar - Alto de Ibardin | 151 | 3043 | |
| 5 | 38.279 | Stage 3 | Vitoria - Arrate | 152 | 3049 |