Fastest stages
| Nr. | Average speed (km/h) | Stage | KM | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 47.82 | Stage 14 | Treviso - Nova Gorica | 195 | 987 | |
| 2 | 46.875 | Stage 13 | Rovigo - Vicenza | 180 | 1561 | |
| 3 | 46.792 | Stage 4 | Alberobello (Pietramadre) - Lecce | 189 | 730 | |
| 4 | 45.42 | Stage 6 | Potenza - Napoli | 227 | 2496 | |
| 5 | 44.973 | Stage 18 | Morbegno - Cesano Maderno | 144 | 1669 | |
| 6 | 44.362 | Stage 1 | Durrës - Tirana | 160 | 1876 | |
| 7 | 43.791 | Stage 12 | Modena - Viadana (Oglio-Po) | 172 | 1666 | |
| 8 | 43.659 | Stage 5 | Ceglie Messapica - Matera | 151 | 1487 | |
| 9 | 42.566 | Stage 9 | Gubbio - Siena | 181 | 2346 | |
| 10 | 41.778 | Stage 3 | Vlorë - Vlorë | 160 | 2921 | |
| 11 | 41.624 | Stage 15 | Fiume Veneto - Asiago | 219 | 3865 | |
| 12 | 41.571 | Stage 8 | Giulianova - Castelraimondo | 197 | 3792 | |
| 13 | 40.533 | Stage 11 | Viareggio - Castelnovo ne' Monti | 186 | 3812 | |
| 14 | 38.945 | Stage 17 | San Michele all’Adige (Fondazione Edmund Mach) - Bormio | 155 | 3813 | |
| 15 | 38.707 | Stage 7 | Castel di Sangro - Tagliacozzo (Marsia) | 168 | 3390 | |
| 16 | 36.349 | Stage 16 | Piazzola sul Brenta - San Valentino (Brentonico) | 203 | 4737 | |
| 17 | 34.276 | Stage 19 | Biella - Champoluc | 166 | 4908 | |
| 18 | 0 | Stage 20 | Verrès - Sestrière (Vialattea) | 205 | 4399 |