Kilian Jornet began his journey at the foot of the Frondella peak and finished it at Pica d’Estats, revisiting the peaks that he climbed as a kid, in what he describes as one of the toughest adventures of his life.

In total, he hiked 485.65 kilometers (301.77 miles), accumulated an elevation gain of more than 43,000 meters (131,233.6 feet), and engaged in more than 155 hours of physical activity.