Average speed per stage
The average speed over all stages is 35.506 km/hour. The average speed for the whole race is computed by dividing the total distance by the sum of stage times of the final GC winner. In the last column the average speed up to that stage is shown. This is the average speed for the leader in the race at that stage.
| Stage | KM | Avg. speed | Total avg. speed after stage | |
|---|---|---|---|---|
| Prologue | Verviers - Verviers | 5 | - | ||
| Stage 1 | Verviers - Keulen | 137 | - | ||
| Stage 2 | Keulen - Luxemburg | 227 | - | ||
| Stage 3 | Luxemburg - Straatsburg | 239 | - | ||
| Stage 4 | Genève - Aoste | 163 | - | ||
| Stage 5 | Saint-Vincent - Milan | 173 | - | ||
| Stage 6 | Milan - Iseo | 144 | - | ||
| Stage 7 | Iseo - Lido delle Nazioni | 248 | - | ||
| Stage 8 | Lido delle Nazioni - Monte Carpegna | 156 | 33.357 | 319.031 | |
| Stage 9 | Carpegna - Alba Adriatica | 243 | - | 370.991 | |
| Stage 10 | Alba Adriatica - Lanciano | 174 | - | 408.197 | |
| Stage 11 | Lanciano - Benevento | 230 | - | 457.377 | |
| Stage 12 | Benevento - Fiuggi | 236 | - | 507.84 | |
| Stage 13 | Fiuggi - Bolsena | 215 | - | 553.813 | |
| Stage 14 | Bolsena - Firenze | 202 | - | 597.006 | |
| Stage 15 | Firenze - Forte dei Marmi | 150 | - | 629.081 | |
| Stage 16 (ITT) | Forte dei Marmi - Forte dei Marmi | 37 | - | 636.992 | |
| Stage 17 | Forte dei Marmi - Verona | 244 | 36.13 | 689.166 | |
| Stage 18 | Verona - Andalo | 173 | - | 726.158 | |
| Stage 19 | Andalo - Auronzo di Cadore | 208 | - | 770.634 | |
| Stage 20 | Auronzo di Cadore - Trieste | 197 | - | 812.758 | |
| 3801 |