Stage modified twice due to weather events:
1) Cima Coppi removed from stage as Col du Grand Saint-Bernard cut down to Salita del Gran San Bernardo, cutting stage from 207km to 199km.
2) Stage cut from 199km to 74.6km, starting from La Châble, cutting the Grand Saint-Bernard out entirely. 2.8km neutral start still held in Borgofranco d'Ivrea before a bus transfer.