Two chaotic hilly stages and a very nervous sprint finale have opened up the
Tour de France and now there will be another different test. On stage 4 of the Grand Boucle the riders tackle the high mountains for the first time, with the high-altitude Col du Galibier on the menu of a difficult day where
Richard Carapaz will try to defend his lead against the likes of
Tadej Pogacar,
Jonas Vingegaard and
Remco Evenepoel.