Fastest stages
| Nr. | Average speed (km/h) | Stage | KM | Vertical meters | |
|---|---|---|---|---|---|
| 1 | 36.77 | Stage 18a | Bordeaux - Rochefort | 158 | ||
| 2 | 35.9 | Stage 3 | Charleville - Metz | 161 | ||
| 3 | 35.65 | Stage 10 | Digne - Nice | 156 | ||
| 4 | 35.41 | Stage 1 | Paris - Lille | 262 | ||
| 5 | 34.67 | Stage 2 | Lille - Charleville | 192 | ||
| 6 | 32.37 | Stage 6 | Evian - Aix-les-Bains | 207 | ||
| 7 | 32.23 | Stage 12 | Cannes - Marseille | 195 | ||
| 8 | 31.74 | Stage 21 | Caen - Paris | 221 | ||
| 9 | 31.41 | Stage 4 | Metz - Belfort | 220 | ||
| 10 | 31.35 | Stage 5a | Belfort - Geneva | 262 | ||
| 11 | 30.32 | Stage 7 | Aix-les-Bains - Grenoble | 229 | ||
| 12 | 29.98 | Stage 8 | Grenoble - Gap | 102 | ||
| 13 | 29.57 | Stage 17 | Pau - Bordeaux | 224 | ||
| 14 | 28.54 | Stage 11 | Nice - Cannes | 126 | ||
| 15 | 28.29 | Stage 9 | Gap - Digne | 227 | ||
| 16 | 27.88 | Stage 15 | Perpignan - Luchon | 325 | ||
| 17 | 27.8 | Stage 19a | La Rochelle - La Roche sur Yon | 81 | ||
| 18 | 26.96 | Stage 13a | Marseille - Nîmes | 112 | ||
| 19 | 26.92 | Stage 16 | Luchon - Pau | 194 | ||
| 20 | 26.28 | Stage 14a | Montpellier - Narbonne | 103 | ||
| 21 | 25.72 | Stage 20a | Nantes - Vire | 220 |