Fastest stages
| Nr. | Average speed (km/h) | Stage | KM | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 46.478 | Stage 7 | Piré-Chancé - Châteaugiron | 163.5 | 1533 | |
| 2 | 46.264 | Stage 1 | Plouescat - Saint-Pol-de-Léon | 155.5 | 1203 | |
| 3 | 46.134 | Stage 5 | Sérent - Louisfert | 173.9 | 1368 | |
| 4 | 44.139 | Stage 3 | Trégunc - Le Quillio | 191.5 | 2562 | |
| 5 | 42.867 | Stage 4 | Le Mené - Plumelec | 183.1 | 2287 | |
| 6 | 41.193 | Stage 2 | Sibiril - Melgven | 172.2 | 2183 | |
| 7 | 0 | Stage 6 | Châteaubriant - Plancoët | 209.4 | 2018 |