Fastest stages
| Nr. | Average speed (km/h) | Stage | KM | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 45.04 | Stage 7 | Vasto - L'Aquila | 185 | 2626 | |
| 2 | 44.99 | Stage 18 | Valdaora / Olang - Santa Maria di Sala | 222 | 1478 | |
| 3 | 43.201 | Stage 2 | Bologna - Fucecchio | 205 | 2242 | |
| 4 | 42.916 | Stage 5 | Frascati - Terracina | 140 | 2056 | |
| 5 | 42.738 | Stage 12 | Cuneo - Pinerolo | 158 | 1918 | |
| 6 | 41.773 | Stage 11 | Carpi - Novi Ligure | 221 | 476 | |
| 7 | 41.743 | Stage 8 | Tortoreto Lido - Pesaro | 239 | 1998 | |
| 8 | 41.389 | Stage 6 | Cassino - San Giovanni Rotondo | 238 | 2881 | |
| 9 | 40.827 | Stage 3 | Vinci - Orbetello | 220 | 1790 | |
| 10 | 40.256 | Stage 10 | Ravenna - Modena | 145 | 160 | |
| 11 | 39.971 | Stage 15 | Ivrea - Como | 232 | 3122 | |
| 12 | 39.354 | Stage 4 | Orbetello - Frascati | 235 | 2995 | |
| 13 | 38.57 | Stage 17 | Commezzadura (Val di Sole) - Anterselva / Antholz | 181 | 3482 | |
| 14 | 37.513 | Stage 19 | Treviso - San Martino di Castrozza | 151 | 3169 | |
| 15 | 35.139 | Stage 13 | Pinerolo - Ceresole Reale (Lago Serrù) | 196 | 5187 | |
| 16 | 34.602 | Stage 16 | Lovere - Ponte di Legno | 194 | 5207 | |
| 17 | 33.638 | Stage 20 | Feltre - Monte Avena | 194 | 5754 | |
| 18 | 32.428 | Stage 14 | Saint Vincent - Courmayeur (Skyway Monte Bianco) | 131 | 4187 |