Fastest stages
| Nr. | Average speed (km/h) | Stage | KM | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 44.86 | Stage 4 | Clohars-Carnoët (Le Pouldu) - Grand-Champ | 162.7 | 1818 | |
| 2 | 43.78 | Stage 6 | Plancoët - Dol-de-Bretagne | 151.6 | 1073 | |
| 3 | 43.55 | Stage 1 | Châteaubriant - Louisfert | 159.8 | 1150 | |
| 4 | 43.53 | Stage 7 | Saint-Pôtan - Dinan | 145 | 1403 | |
| 5 | 40.88 | Stage 2 | Louisfert - Plougoumelen | 180 | 1232 | |
| 6 | 40.47 | Stage 3 | Baden - Clohars-Carnoët | 181.1 | 1792 | |
| 7 | 39.73 | Stage 5 | Colpo - Plancoët | 155.7 | 1635 |