Fastest stages
| Nr. | Average speed (km/h) | Stage | KM | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 45.97 | Stage 4 | Guénin - Rennes | 169.4 | ||
| 2 | 45.13 | Stage 2 | Saint-Suliac - Loudéac | 176 | ||
| 3 | 42.79 | Stage 6 | Ploeren - Josselin | 165.8 | ||
| 4 | 41.87 | Stage 3 | Loudéac - Douarnenez | 173.1 | ||
| 5 | 41.7 | Stage 1 | Saint-Malo - Cancale | 157.4 |