| Sprint pancarte Pontamafrey | 0.52 km | 5 m | 0.0% |
| D77 Climb | 2.57 km | 195 m | 7.6% |
| Montbrunal - Col du Chaussy | 6.95 km | 519 m | 7.5% |
| D77 Climb | 1.93 km | 148 m | 7.6% |
| D77 Climb | 1.16 km | 114 m | 9.8% |
| D77 Climb | 0.71 km | 190 m | 26.5% |
| D77 Climb | 1.94 km | 182 m | 9.4% |
| Descente Chaussy => La Chambre | 15.00 km | -1,017 m | -6.8% |
| CHAUSSY DESCENT - FULL LENGTH | 9.86 km | -654 m | -6.6% |
| FIRST PART OF THE CHAUSSY DESCENT | 2.30 km | -177 m | -7.7% |
| CHAUSSY - SMALL BUMP ON THE WAY DOWN | 0.98 km | 15 m | 0.8% |
| SECOND PART OF THE CHAUSSY DESCENT - AFTER THE SMALL BUMP | 6.39 km | -476 m | -7.4% |
| D99 Climb | 0.32 km | 90 m | 27.3% |
| FLATTISH PART OF THE CHAUSSY DESCENT | 0.77 km | -19 m | -2.4% |
| Route Du Mollard Climb | 2.58 km | 125 m | 4.8% |
| Demi-Glandon | 11.51 km | 634 m | 5.5% |
| ST ETIENNE DE C. VERS CHEZ PATOCHE | 1.70 km | 118 m | 6.9% |
| ColDeLaCroixDeFer | 22.63 km | 1,545 m | 6.8% |
| Saint Etienne to St Columban de Villards | 8.57 km | 622 m | 7.2% |
| CdFer Entier | 22.81 km | 1,564 m | 6.8% |
| Col De Glandon | 22.46 km | 1,486 m | 6.6% |
| Col du Glandon | 19.52 km | 1,420 m | 7.3% |
| COL DU GLANDON (SV) | 19.26 km | 1,414 m | 7.3% |
| Col du Glandon to April snow. | 17.00 km | 1,168 m | 6.9% |
| Col du Glandon (missing first 800m) | 19.07 km | 1,367 m | 7.2% |
| Col de Croix de Fer | 21.46 km | 1,525 m | 7.1% |
| Croix de Fer via Glandon | 20.69 km | 1,476 m | 7.1% |
| Outhouse Churchouse | 1.33 km | 36 m | 2.4% |
| Part Col du Glandon | 8.75 km | 744 m | 8.5% |
| D927 Climb | 1.37 km | 103 m | 7.3% |
| Fin du col du Glandon - partie difficile | 2.86 km | 296 m | 10.3% |
| last 1.5k of Glandon | 1.57 km | 165 m | 10.5% |
| CdG 2 CdlCdF | 2.94 km | 179 m | 6.0% |
| Glandon Croix de Fer retour | 2.65 km | 222 m | 8.3% |
| Final Croix de Fer | 1.37 km | 77 m | 5.6% |
| Final 1k | 1.14 km | 78 m | 6.6% |
| Croix de Fer descente | 11.07 km | -676 m | -6.1% |
| Descente Croix de fer jusque St Sorlin, partie technique | 6.49 km | -513 m | -7.9% |
| Descente Croix de Fer - Route panoramique | 7.90 km | -587 m | -7.4% |
| Col de la Croix de Fer eastern switchback descent | 6.34 km | -499 m | -7.9% |
| Croix de Fer - First descent | 4.76 km | -363 m | -7.6% |
| Castle Capers Drop | 4.78 km | -367 m | -7.7% |
| Croix de fer east | 9.89 km | -509 m | -5.1% |
| Col du Mollard (finish before Etape feed station) | 5.98 km | 388 m | 6.5% |
| D78 - St Pancrace | 0.97 km | 139 m | 14.1% |
| Les Bottieres | 4.68 km | 382 m | 8.1% |
| Sprint Bottières | 0.38 km | 13 m | 3.5% |
| D78 Climb | 1.94 km | 108 m | 5.5% |
| Descente de la Toussuire par Villarembert | 14.87 km | -853 m | -5.7% |
| descente fontcouverte | 9.31 km | -629 m | -6.8% |
