Average speed per stage
The average speed over all stages is 40.368 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 | Lisboa - Lisboa | 5.4 | 52.399 | 52.399 | |
| Stage 1 | Vila Franca de Xira - Elvas | 193.7 | 42.97 | 43.181 | |
| Stage 2 | Badajoz - Castelo Branco | 181.5 | 38.569 | 40.852 | |
| Stage 3 | Sertã - Alto da Torre | 159 | 34.001 | 38.555 | |
| Stage 4 | Guarda - Viseu | 169.1 | 43.141 | 39.558 | |
| Stage 5 | Mealhada - Miranda do Corvo (Observatório de vila nova) | 165.7 | 41.08 | 39.823 | |
| Stage 6 | Águeda - Maia | 159.9 | 42.024 | 40.148 | |
| Stage 7 | Santo Tirso - Braga | 150.1 | 42.471 | 40.387 | |
| Stage 8 | Viana do Castelo - Fafe | 182.4 | 43.518 | 40.779 | |
| Stage 9 | Paredes - Mondim de Basto (Senhora da Graça) | 174.5 | 37.097 | 40.326 | |
| Stage 10 (ITT) | Porto - Vila Nova de Gaia | 18.6 | 44.433 | 40.368 | |
| 1559.9 |