Fastest stages
| Nr. | Average speed (km/h) | Stage | KM | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 47.973 | Stage 10 | Vannes - Pontchâteau | 72 | ||
| 2 | 44.957 | Stage 1 | Rennes - Flers | 143 | ||
| 3 | 43.532 | Stage 6 | Rostrenen - Roscoff | 169 | ||
| 4 | 43.206 | Stage 2 | Flers - Avranches | 109 | ||
| 5 | 42.979 | Stage 8 | Brest - Fouesnant | 139 | ||
| 6 | 42.83 | Stage 7 | Roscoff - Roscoff | 130 | ||
| 7 | 41.895 | Stage 5 | Plérin sur Mer - Rostrenen | 156 | ||
| 8 | 41.163 | Stage 9 | Fouesnant - Vannes | 190 | ||
| 9 | 38.54 | Stage 4 | Saint Hilaire du Harcouët - Plérin sur Mer | 186 | ||
| 10 | 38.024 | Stage 12 | Ancenis - Nantes | 158 |