World Championships (nearly) always delivers a challenging circuit but the Dolomites stretches competitors limits more than anywhere else. The stats only tell a small part of the story: 4200m ascent over 102km. 35km are relatively flat which leaves 77kms of very steep ups or downs. The first ever World Marathon Championship took place in 2003 in Lugana. This years edition would be the fourth hosted in Italy.The Worlds course is the same as the 3Epic one, except for a few part