Gravelman Mont-Blanc 350 is the most challenging version of the Steven le Hyaric 350km challenges, featuring over 9,000m of climbing—more than the height of Mount Everest. The route is a loop from Chamonix to Chamonix, crossing from France to Italy to Switzerland and finally back to France. It is not for the faint of heart. I tackled this challenge in 2022 and for some reason am just now getting around to sharing my adventure. Better late than never. The Build-Up I had done t